说明:收录25万 73个行业的国家标准 支持批量下载
文库搜索
切换导航
文件分类
频道
文件分类
批量下载
IEC 63261 2024 Representation of electrical and instrument objects in digital 3D plant models during engineering.pdf
IEC 63277-3-1 2025 Binary power generation systems - Part 3-1 Safety requirements - System with less than 500 kW in capacity.pdf
IEC 63310 2025 Functional performance criteria for AAL robots used in connected home environment.pdf
IEC 63360 2025 Fluids for electrotechnical application - Specification of gases alternative to SF sub 6 -sub to be used in electrical power equipment.pdf
IEC 63378-2-1 2024 Thermal standardization on semiconductor packages - Part 2-1 3D thermal simulation models of semiconductor packages for steady-state analysis - Discrete packages.pdf
IEC 63430 2025 Data container format for wearable sensor.pdf
IEC 63453 2025 Railway applications - Current collection systems - Validation of simulation of the dynamic interaction between pantograph and overhead contact line.pdf
IEC 63522-11 2025 Electrical relays - Tests and measurements - Part 11 Enclosure protection and degree of protection.pdf
IEC 63522-12 2025 Electrical relays - Tests and measurements - Part 12 Internal moisture.pdf
IEC 63522-14 2025 Electrical relays - Tests and measurements - Part 14 Mould growth.pdf
IEC 63522-15 2024 Electrical relays - Tests and measurements - Part 15 Robustness of terminals.pdf
IEC 63522-25 2025 Electrical relays - Tests and measurements - Part 25 Magnetic interference.pdf
IEC 63522-6 2025 Electrical relays - Tests and measurements - Part 6 Contact-circuit resistance or voltage drop.pdf
IEC 63563-1 2025 Qi Specification version 2.0 - Part 1 Introduction.pdf
IEC 63563-10 2025 Qi Specification version 2.0 - Part 10 MPP System Specification.pdf
IEC 63563-2 2025 Qi Specification version 2.0 - Part 2 Glossary.pdf
IEC 63563-3 2025 Qi Specification version 2.0 - Part 3 Mechanical Thermal and User Interface.pdf
IEC 63563-4 2025 Qi Specification version 2.0 - Part 4 Power Delivery.pdf
IEC 63563-5 2025 Qi Specification version 2.0 - Part 5 Communications Physical Layer.pdf
IEC 63563-7 2025 Qi Specification version 2.0 - Part 7 Foreign Object Detection.pdf
IEC 63563-8 2025 Qi Specification version 2.0 - Part 8 NFC Tag Protection.pdf
IEC 63563-9 2025 Qi Specification version 2.0 - Part 9 Authentication Protocol.pdf
IEC 81355-1 2024 Industrial systems installations and equipment and industrial products - Classification and designation of information - Part 1 Basic rules and classification of information.pdf
IEC GUIDE 103 1980 Guide on dimensional co-ordination .pdf
IEC PAS 61980-5 2024 Electric vehicle wireless power transfer (WPT) systems - Part 5 Interoperability and safety of dynamic wireless power transfer (D-WPT) for electric vehicles.pdf
IEC SRD 63301-1 2024 Smart city use case collection and analysis Water systems in smart cities Part 1 High-level analysis.pdf
IEC SRD 63460 2025 Architecture and use-cases for EVs to provide grid support functions.pdf
IEC SRD 63520 2024 Smart cities - Application of IEC SRD 63235 - Concept system building for energy challenge.pdf
IEC TR 60034-16-2 1991 Rotating electrical machines - Part 16 Excitation systems for synchronous machines - Chapter 2 Models for power system studies.pdf
IEC TR 60079-16 1990 Electrical apparatus for explosive gas atmospheres. Part 16 Artificial ventilation for the protection of analyser(s) houses.pdf
IEC TR 60444-4 1988 Measurement of quartz crystal unit parameters by zero phase technique in a pi-network. Part 4 Method for the measurement of the load resonance frequency fL load resonance resistanc.pdf
IEC TR 60575 1977 Thermal-mechanical performance test and mechanical performance test on string insulator units.pdf
IEC TR 60616 1978 Terminal and tapping markings for power transformers.pdf
IEC TR 60638 1979 Criteria for assessing and coding of the commutation of rotating electrical machines for traction.pdf
IEC TR 60663 1980 Planning of (single-sideband) power line carrier systems.pdf
IEC TR 60668 1980 Dimensions of panel areas and cut-outs for panel and rack-mounted industrial-process measurement and control instruments.pdf
IEC TR 60778 1984 Brush-holders for slip-rings Group R - type RA.pdf
IEC TR 60782 1984 Measurements of ultrasonic magnetostrictive transducers.pdf
IEC TR 60797 1984 Residual strength of string insulator units of glass or ceramic material for overhead lines after mechanical damage of the dielectric.pdf
IEC TR 60816 1984 Guide on methods of measurement of short duration transients on low-voltage power and signal lines.pdf
IEC TR 60854 1986 Methods of measuring the performance of ultrasonic pulse-echo diagnostic equipment.pdf
IEC TR 60870-1-1 1988 Telecontrol equipment and systems. Part 1 General considerations. Section One General principles.pdf
IEC TR 60882 1986 Pre-heat requirements for starterless tubular fluorescent lamps.pdf
IEC TR 60886 1987 Investigations on test procedures for ultrasonic cleaners.pdf
IEC TR 60902 1987 Industrial-process measurement and control - Terms and definitions.pdf
IEC TR 60996 1989 Method for verifying accuracy of tan delta measurements applicable to capacitors.pdf
IEC TR 61000-2-1 1990 Electromagnetic compatibility (EMC) - Part 2 Environment - Section 1 Description of the environment - Electromagnetic environment for low-frequency conducted disturbances and sig.pdf
IEC TR 61015 1990 Brush-holders for electrical machines. Guide to the measurement of the static thrust applied to brushes.pdf
IEC TR 61055-1 1991 Measurement techniques and operational adjustments of broadcast VTRs - Part 1 Operational adjustments on analogue composite broadcast VTRs.pdf
IEC TR 61055-2 1991 Measurement techniques and operational adjustments of broadcast VTRs - Part 2 Special mechanical measurements and alignments.pdf
IEC TR 61056-3 1991 Portable lead-acid cells and batteries (Valve-regulated types) - Part 3 Safety recommendations for use in electric appliances.pdf
IEC TR 61088 1991 Characteristics and measurements of ultrasonic piezoceramic transducers.pdf
IEC TR 61850-90-22 2024 Communication networks and systems for power utility automation Part 90-22 SCD based substation network automated management with with visualization and supervision support.pd.pdf
IEC TR 62899-303-2 2024 Printed electronics - Part 303-2 Equipment - Sheet to sheet printing - Mechanical dimensions.pdf
IEC TR 63340-1 2025 Electronic displays for special applications - Part 1 General introduction.pdf
IEC TR 63411 2025 Grid connection of offshore wind via VSC-HVDC systems.pdf
IEC TR 63424-1 2024 Validation of dynamic power control and exposure time-averaging algorithms - Part 1 Cellular network implementations for SAR at frequencies up to 6 GHz.pdf
IEC TR 63500 2024 Unified power flow controller (UPFC) installations - System tests.pdf
IEC TR 63558 2025 Automatic speech recognition Classification according to acoustic and linguistic indicators in real-life applications.pdf
IEC TS 60868-0 1991 Flickermeter - Part 0 Evaluation of flicker severity.pdf
IEC TS 61081 1991 Pneumatic instruments driven by associated process gas - Safe installation and operating procedures - Guidelines.pdf
IEC TS 61087 1991 Guide for evaluating the discharges from a charged surface.pdf
IEC TS 62443-6-2 2025 Security for industrial automation and control systems - Part 6-2 Security evaluation methodology for IEC 62443-4-2.pdf
IEC TS 62607-8-4 2024 Nanomanufacturing Key control characteristics Part 8-4 Metal-oxide interfacial devices Activation energy of electronic trap states Low-frequency-noise spectroscopy.pdf
IEC TS 62818-1 2024 Conductors for overhead lines - Fiber reinforced composite core used as supporting member material - Part 1 Polymeric matrix composite cores.pdf
IEC TS 62876-4-1 2025 Nanomanufacturing Reliability assessment Part 4-1 Nanophotonic products Optical stability test of quantum dot enabled light conversion films Temperature humidity and light exp.pdf
IEC TS 63165 2024 Requirements for industrial water quality analyzer system Photometry.pdf
IEC TS 63290 2024 Supplementary requirements for intelligent assemblies.pdf
IEC TS 63346-1-1 2024 Low-voltage auxiliary power systems - Part 1-1 Terminology.pdf
IEC-IEEE 63253-5713-8 2024 Station Service Voltage Transformers (SSVT).pdf
ISO 10096 1997 Aerospace Nuts hexagonal slotted (castellated) reduced height reduced across flats with MJ threads classifications 450 MPa (at ambient temperature)-425 degrees C 600 MPa (at ambient te.pdf
ISO 10142 1996 Carbonaceous materials for use in the production of aluminium Calcined coke Determination of grain stability using a laboratory vibration mill.pdf
ISO 10284 1997 Cinematography Graphical symbols Description.pdf
ISO 10291 1994 Glass in building Determination of steady-state U values (thermal transmittance) of multiple glazing Guarded hot plate method.pdf
ISO 10303-1 2024 Industrial automation systems and integration Product data representation and exchange Part 1 Overview and fundamental principles.pdf
ISO 10303-49 1998 Industrial automation systems and integration Product data representation and exchange Part 49 Integrated generic resources Process structure and properties.pdf
ISO 10356 1996 Cinematography Storage and handling of nitrate-base motion-picture films.pdf
ISO 10364 2024 Structural adhesives Determination of the pot life (working life) of multi-component adhesives.pdf
ISO 10472-6 1997 Safety requirements for industrial laundry machinery Part 6 Ironing and fusing presses.pdf
ISO 10499-2 1998 Industrial tyres and rims Rubber solid tyres (metric series) for pneumatic tyre rims Part 2 Load ratings.pdf
ISO 105-C07 1999 Textiles Tests for colour fastness Part C07 Colour fastness to wet scrubbing of pigment printed textiles.pdf
ISO 105-E08 1994 Textiles Tests for colour fastness Part E08 Colour fastness to hot water.pdf
ISO 105-E10 1994 Textiles Tests for colour fastness Part E10 Colour fastness to decatizing.pdf
ISO 105-E11 1994 Textiles Tests for colour fastness Part E11 Colour fastness to steaming.pdf
ISO 105-E14 1994 Textiles Tests for colour fastness Part E14 Colour fastness to acid-felting Mild.pdf
ISO 105-X06 1994 Textiles Tests for colour fastness Part X06 Colour fastness to soda boiling.pdf
ISO 105-X08 1994 Textiles Tests for colour fastness Part X08 Colour fastness to degumming.pdf
ISO 105-Z10 1997 Textiles Tests for colour fastness Part Z10 Determination of relative colour strength of dyes in solution.pdf
ISO 10544 2024 Cold-reduced steel wire for the reinforcement of concrete and the manufacture of welded fabric.pdf
ISO 10669 1999 Plain washers for tapping screw and washer assemblies Normal and large series Product grade A.pdf
ISO 10767-2 1999 Hydraulic fluid power Determination of pressure ripple levels generated in systems and components Part 2 Simplified method for pumps.pdf
ISO 11016 1999 Oil of star anise Chinese type (Illicium verum Hook. f.).pdf
ISO 11047 1998 Soil quality Determination of cadmium chromium cobalt copper lead manganese nickel and zinc Flame and electrothermal atomic absorption spectrometric methods.pdf
ISO 1113 1979 Information processing - Representation of the 7- bit coded character set on punched tape br - .pdf
ISO 11294 1994 Roasted ground coffee Determination of moisture content Method by determination of loss in mass at 103 degrees C (Routine method).pdf
ISO 11412 1998 Carbonaceous materials for the production of aluminium Calcined coke Determination of water content.pdf
ISO 11451-3 2024 Road vehicles Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy Part 3 On-board transmitter simulation.pdf
ISO 11459 1997 Iron ores Certified reference materials Preparation and certification for use in chemical analysis.pdf
ISO 11474 1998 Corrosion of metals and alloys Corrosion tests in artificial atmosphere Accelerated outdoor test by intermittent spraying of a salt solution (Scab test).pdf
ISO 1155 1978 Information processing - Use of longitudinal parity to detect errors in information messages.pdf
ISO 11566 1996 Carbon fibre Determination of the tensile properties of single-filament specimens.pdf
ISO 11608-5 2022 Needle-based injection systems for medical use Requirements and test methods Part 5 Automated functions.pdf
ISO 11611 2024 Protective clothing for use in welding and allied processes.pdf
ISO 11668 1997 Binders for paints and varnishes Chlorinated polymerization resins General methods of test.pdf
ISO 1177 1985 Information processing - Character structure for start-stop and synchronous character oriented transmission br - .pdf
ISO 11833-2 1998 Plastics Unplasticized poly(vinyl chloride) sheets Types dimensions and characteristics Part 2 Sheets of thickness less than 1 mm.pdf
ISO 11882 1997 Optics and optical instruments Microscopes Interfacing connection for 35 mm SLR photo cameras (T-thread adaptation).pdf
ISO 11897 1999 Packaging Sacks made from thermoplastic flexible film Tear propagation on edge folds.pdf
ISO 11908 1996 Binders for paints and varnishes Amino resins General methods of test.pdf
ISO 1213-2 2024 Coal and coke Vocabulary Part 2 Terms relating to sampling testing and analysis.pdf
ISO 12268 1997 Aerospace Nuts hexagonal plain reduced height reduced across flats with MJ threads classifications 450 MPa (at ambient temperature)-425 degrees C 600 MPa (at ambient temperature)-235 d.pdf
ISO 12272 1998 Aerospace Nuts anchor self-locking floating two lug with incremental counterbore with MJ threads classifications 900 MPa (at ambient temperature)-235 degrees C 900 MPa (at ambient temp.pdf
ISO 12274 1997 Aerospace Nuts anchor self-locking floating self-aligning single lug with MJ threads classifications 900 MPa (at ambient temperature)-235 degrees C 900 MPa (at ambient temperature)-315.pdf
ISO 12280 1999 Aerospace Retainers spring sheet metal for self-locking barrel nuts Dimensions.pdf
ISO 12478-1 1997 Cranes Maintenance manual Part 1 General.pdf
ISO 12740 1998 Lead sulfide concentrates Determination of silver and gold contents Fire assay and flame atomic absorption spectrometric method using scorification or cupellation.pdf
ISO 12777-2 2000 Methods of test for pallet joints Part 2 Determination of withdrawal and head pull-through resistance of pallet nails and staples.pdf
ISO 12988-1 2000 Carbonaceous materials used in the production of aluminium Baked anodes Determination of the reactivity to carbon dioxide Part 1 Loss in mass method.pdf
ISO 13061-13 2024 Physical and mechanical properties of wood Test methods for small clear wood specimens Part 13 Determination of radial and tangential shrinkage.pdf
ISO 13261-1 1998 Sound power rating of air-conditioning and air-source heat pump equipment Part 1 Non-ducted outdoor equipment.pdf
ISO 13539 1998 Earth-moving machinery Trenchers Definitions and commercial specifications.pdf
ISO 13592 1998 Small craft Backfire flame control for petrol engines.pdf
ISO 13596 2000 Aerospace Inserts self-locking with MJ threads closed type in metallic material coated or uncoated Dimensions.pdf
ISO 13615 2024 Traditional Chinese medicine Atractylodes macrocephala rhizome.pdf
ISO 13757 1996 Liquefied petroleum gases Determination of oily residues High-temperature method.pdf
ISO 13759 1996 Petroleum products Determination of alkyl nitrate in diesel fuels Spectrometric method.pdf
ISO 13783 1997 Plastics piping systems Unplasticized poly(vinyl chloride) (PVC-U) end-load-bearing double-socket joints Test method for leaktightness and strength while subjected to bending and inte.pdf
ISO 13805 1999 Vitreous and porcelain enamels for aluminium Determination of the adhesion of enamels on aluminium under the action of electrolytic solution (spall test).pdf
ISO 13937-3 2000 Textiles Tear properties of fabrics Part 3 Determination of tear force of wing-shaped test specimens (Single tear method).pdf
ISO 13996 1999 Protective clothing Mechanical properties Determination of resistance to puncture.pdf
ISO 14145-2 1998 Roller ball pens and refills Part 2 Documentary use (DOC).pdf
ISO 14230-3 1999 Road vehicles Diagnostic systems Keyword Protocol 2000 Part 3 Application layer.pdf
ISO 14269-1 1997 Tractors and self-propelled machines for agriculture and forestry Operator enclosure environment Part 1 Vocabulary.pdf
ISO 14269-3 1997 Tractors and self-propelled machines for agriculture and forestry Operator enclosure environment Part 3 Determination of effect of solar heating.pdf
ISO 14402 1999 Water quality Determination of phenol index by flow analysis (FIA and CFA).pdf
ISO 14526-1 1999 Plastics Phenolic powder moulding compounds (PF-PMCs) Part 1 Designation system and basis for specifications.pdf
ISO 14526-2 1999 Plastics Phenolic powder moulding compounds (PF-PMCs) Part 2 Preparation of test specimens and determination of properties.pdf
ISO 14528-3 1999 Plastics Melamine-formaldehyde powder moulding compounds (MF-PMCs) Part 3 Requirements for selected moulding compounds.pdf
ISO 14529-1 1999 Plastics Melamine-phenolic powder moulding compounds (MP-PMCs) Part 1 Designation system and basis for specifications.pdf
ISO 14529-2 1999 Plastics Melamine-phenolic powder moulding compounds (MP-PMCs) Part 2 Preparation of test specimens and determination of properties.pdf
ISO 14529-3 1999 Plastics Melamine-phenolic powder moulding compounds (MP-PMCs) Part 3 Requirements for selected moulding compounds.pdf
ISO 14530-1 1999 Plastics Unsaturated-polyester powder moulding compounds (UP-PMCs) Part 1 Designation system and basis for specifications.pdf
ISO 14530-2 1999 Plastics Unsaturated-polyester powder moulding compounds (UP-PMCs) Part 2 Preparation of test specimens and determination of properties.pdf
ISO 14530-3 1999 Plastics Unsaturated-polyester powder moulding compounds (UP-PMCs) Part 3 Requirements for selected moulding compounds.pdf
ISO 14546 2000 Photography Aerial films and spools Dimensions.pdf
ISO 14565 2000 Animal feeding stuffs Determination of vitamin A content Method using high-performance liquid chromatography.pdf
ISO 14647 2000 Metallic coatings Determination of porosity in gold coatings on metal substrates Nitric acid vapour test.pdf
ISO 14655 1999 Epoxy-coated strand for the prestressing of concrete.pdf
ISO 14680-1 2000 Paints and varnishes Determination of pigment content Part 1 Centrifuge method.pdf
ISO 14680-2 2000 Paints and varnishes Determination of pigment content Part 2 Ashing method.pdf
ISO 14680-3 2000 Paints and varnishes Determination of pigment content Part 3 Filtration method.pdf
ISO 14681 1998 Diesel engines Fuel injection pump testing Calibrating fuel injectors.pdf
ISO 14744-3 2000 Welding Acceptance inspection of electron beam welding machines Part 3 Measurement of beam current characteristics.pdf
ISO 14744-4 2000 Welding Acceptance inspection of electron beam welding machines Part 4 Measurement of welding speed.pdf
ISO 14744-5 2000 Welding Acceptance inspection of electron beam welding machines Part 5 Measurement of run-out accuracy.pdf
ISO 14744-6 2000 Welding Acceptance inspection of electron beam welding machines Part 6 Measurement of stability of spot position.pdf
ISO 14848 1998 Plastics Unsaturated-polyester resins Determination of reactivity at 130 degrees C.pdf
ISO 14965 2000 Air quality Determination of total non-methane organic compounds Cryogenic preconcentration and direct flame ionization detection method.pdf
ISO 15087-1 1999 Dental elevators Part 1 General requirements.pdf
ISO 15186-1 2000 Acoustics Measurement of sound insulation in buildings and of building elements using sound intensity Part 1 Laboratory measurements.pdf
ISO 15217 2000 Fluid power systems and components 16 mm square electrical connector with earth contact Characteristics and requirements.pdf
ISO 15252-1 1999 Plastics Epoxy powder moulding compounds (EP-PMCs) Part 1 Designation system and basis for specifications.pdf
ISO 15252-2 1999 Plastics Epoxy powder moulding compounds (EP-PMCs) Part 2 Preparation of test specimens and determination of properties.pdf
ISO 15252-3 1999 Plastics Epoxy powder moulding compounds (EP-PMCs) Part 3 Requirements for selected moulding compounds.pdf
ISO 15310 1999 Fibre-reinforced plastic composites Determination of the in-plane shear modulus by the plate twist method.pdf
ISO 15318 1999 Pulp paper and board Determination of 7 specified polychlorinated biphenyls (PCB).pdf
ISO 15350 2000 Steel and iron Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method).pdf
ISO 15355 1999 Steel and iron Determination of chromium content Indirect titration method.pdf
ISO 15360-1 2000 Recycled pulps Estimation of Stickies and Plastics Part 1 Visual method.pdf
ISO 15482 1999 Cross recessed countersunk head drilling screws with tapping screw thread.pdf
ISO 15483 1999 Cross recessed raised countersunk head drilling screws with tapping screw thread.pdf
ISO 15682 2000 Water quality Determination of chloride by flow analysis (CFA and FIA) and photometric or potentiometric detection.pdf
ISO 157 1996 Coal Determination of forms of sulfur.pdf
ISO 15703 1998 Leather Tests for colour fastness Colour fastness to mild washing.pdf
ISO 15765-2 2024 Road vehicles Diagnostic communication over Controller Area Network (DoCAN) Part 2 Transport protocol and network layer services.pdf
ISO 15880 2000 Paints varnishes and binders Determination of MEQ value of water-based coating materials and binders.pdf
ISO 15911 2000 Petroleum products Estimation of net specific energy of aviation turbine fuels using hydrogen content data.pdf
ISO 16017-1 2000 Indoor ambient and workplace air Sampling and analysis of volatile organic compounds by sorbent tube-thermal desorption-capillary gas chromatography Part 1 Pumped sampling.pdf
ISO 16311-1 2024 Maintenance and repair of concrete structures Part 1 General principles.pdf
ISO 16368 2024 Mobile elevating work platforms Design calculations safety requirements and test methods.pdf
ISO 16422-1 2024 Pipes and joints made of oriented unplasticized poly(vinyl chloride) (PVC-O) for the conveyance of water under pressure Part 1 General.pdf
ISO 16646 2024 Fusion installations Criteria for the design and operation of confinement and ventilation systems of tritium fusion facilities and fusion fuel handling facilities.pdf
ISO 17269 2000 Passenger car tyres Methods for measuring rolling circumference Loaded new tyres.pdf
ISO 17544 2024 Carbonaceous materials used in the production of aluminium Cold and tepid ramming pastes Determination of rammability of unbaked pastes.pdf
ISO 1766 1999 Textile floor coverings Determination of thickness of pile above the substrate.pdf
ISO 17830 2024 Solid biofuels Particle size distribution of disintegrated pellets.pdf
ISO 18609 2000 Animal and vegetable fats and oils Determination of unsaponifiable matter Method using hexane extraction.pdf
ISO 18906 2000 Imaging materials Photographic films Specifications for safety film.pdf
ISO 1957 2000 Machine-made textile floor coverings Selection and cutting of specimens for physical tests.pdf
ISO 1998-2 1998 Petroleum industry Terminology Part 2 Properties and tests.pdf
ISO 2114 2000 Plastics (polyester resins) and paints and varnishes (binders) Determination of partial acid value and total acid value.pdf
ISO 2115 1996 Plastics Polymer dispersions Determination of white point temperature and minimum film-forming temperature.pdf
ISO 2233 2000 Packaging Complete filled transport packages and unit loads Conditioning for testing.pdf
ISO 2234 2000 Packaging Complete filled transport packages and unit loads Stacking tests using a static load.pdf
ISO 2244 2000 Packaging Complete filled transport packages and unit loads Horizontal impact tests.pdf
ISO 2247 2000 Packaging Complete filled transport packages and unit loads Vibration tests at fixed low frequency.pdf
ISO 2255 1996 Coriander (Coriandrum sativum L.) whole or ground (powdered) Specification.pdf
ISO 22915-16 2024 Industrial trucks Verification of stability Part 16 Pedestrian-propelled trucks.pdf
ISO 23618 2022 Bases for design of structures General principles on seismically isolated structures.pdf
ISO 239 1999 Drill chuck tapers.pdf
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
站内资源均来自网友分享或网络收集整理,若无意中侵犯到您的权利,敬请联系我们
微信(点击查看客服)
,我们将及时删除相关资源。