中華人民共和國國家標準(中國大陸GB標準)英文版 |
![]() |
GB標準是中華人民共和國國家標準,也叫GB國標,是中國大陸強制執行的國家標準,所有中國大陸境內銷售的商品及提供服務都必須符合GB國家標準的要求,包括進口商品及服務; 本網站提供GB國家標準的查詢檢索,英文版翻譯,GB標準產品檢測檢驗及合規性分析服務; |
![]() |
GB/T 4937.39-2025 半导体器件 - 机械和气候试验方法 - 第39部分:半导体器件用有机材料的潮气扩散率和水溶解度测量(中英文版) Semiconductor Devices - Mechanical and Climate Testing Methods - Part 39: Measurement of Moisture Diffusion and Water Solubility of Organic Materials for Semiconductor Devices |
|
|
![]() |
GB/T 32483.3-2025 光源控制装置的效率要求-第3部分:卤钨灯和LED光源控制装置 - 控制装置效率的测量方法(中英文版) Efficiency Requirements for Luminaire Control Gear - Part 3: Control Gear for Halogen-Metal Halide Lamps and LED Luminaires - Method of Measurement of Control Gear Efficiency |
|
|
![]() |
GB/T 32483.2-2025 光源控制装置的效率要求-第2部分:放电灯(荧光灯除外)控制装置 - 控制装置效率的测量方法(中英文版) Efficiency Requirements for Luminaire Control Gear - Part 2: Control Gear for Discharge Lamps (excluding Fluorescent Lamps) - Method of Measurement of Control Gear Efficiency |
|
|
![]() |
GB/T 46147-2025 医疗器械生物学评价 - 纳米颗粒脱落和释放测量 - 颗粒跟踪分析法(中英文版) Biological Evaluation of Medical Devices - Measurement of Nanoparticle Shedding and Release - Particle Tracking Analysis Method |
|
|
![]() |
GB/T 12540-2024 汽车及汽车列车最小转弯直径、转弯通道圆和外摆值测量方法(中英文版) Measurement method for the minimum turning diameter, turning channel circle and swing value of automobiles and automobile trains Law |
|
|
![]() |
GB/T 45124-2024 封闭管道中液体流量的测量-容积法(中英文版) Measurement of liquid flow in closed pipes - Volumetric method |
|
|
![]() |
GB/T 34430.4-2024 船舶与海上技术-保护涂层和检查方法-第4部分:水溶性盐总含量的自动化测量方法(中英文版) Ships and marine technology-Protective coatings and inspection methods-Part 4: Automated measurement method for total content of water-soluble salts |
|
|
![]() |
GB/T 44454-2024 荧光材料光致发光量子效率绝对测量通用检测方法(中英文版) General test method for absolute measurement of photoluminescent quantum efficiency of fluorescent materials |
|
|
![]() |
GB/T 19514-2024 乘用车行李舱容积的测量方法(中英文版) Measurement methods for the volume of luggage compartments of passenger cars |
|
|
![]() |
GB/Z 6113.404-2023 无线电骚扰和抗扰度测量设备和测量方法规范 第4-4部分:不确定度、统计学和限值建模 投诉的统计和保护无线电业务的限值计算模型(中英文版) Specification for radio disturbance and immunity measuring equipment and measurement methods Part 4-4: Uncertainty, statistics and limit value modeling Statistics of complaints and limit value calculation model for the protection of radio services |
|
|
![]() |
GB/T 42638-2023 煤矿井下煤层瓦斯抽采半径直接测定方法 抽采量法(中英文版) Method for direct measurement of coal seam gas drainage radius in underground coal mine - Drainage volume method |
|
|
![]() |
GB/T 8446.2-2022 电力半导体器件用散热器? 第2部分:热阻和流阻测量方法(中英文版) Heat sinks for power semiconductor devices—Part 2: Measurement methods of thermal resistance and inlet-outlet fluid pressure drop |
|
|
![]() |
GB/T 6113.402-2022 无线电骚扰和抗扰度测量设备和测量方法规范 第4-2部分:不确定度、统计学和限值建模 测量设备和设施的不确定度(中英文版) Specifications for radio disturbance and immunity measuring equipment and methods of measurement - Part 4-2: Uncertainty, statistics and limit value modeling Uncertainties of measuring equipment and facilities |
|
|
![]() |
GB/T 31838.7-2021 固体绝缘材料 介电和电阻特性 第7部分:电阻特性(DC方法) 高温下测量体积电阻和体积电阻率(中英文版) Solid insulating materials - Dielecteric and resistive properties - Part 7: Resistive properties(DC method) - Measurement of volume resistance and volume resistivity at elevated temperatures |
|
|
![]() |
GB/T 41105.3-2021 无损检测? X射线管电压的测量和评价 第3部分:能谱法(中英文版) Non-destructive testing -- Measurement and evaluation of the X-ray tube voltage -- Part 3: Spectrometric method |
|
|
![]() |
GB/T 41105.2-2021 无损检测? X射线管电压的测量和评价 第2部分:厚板滤波法稳定性核查(中英文版) Non-destructive testing -- Measurement and evaluation of the X-ray tube voltage -- Part 2: Constancy check by the thick filter method |
|
|
![]() |
GB/T 41105.1-2021 无损检测 X射线管电压的测量和评价 第1部分:分压法(中英文版) Non-destructive testing—Measurement and evaluation of the X-ray tube voltage—Part 1:Voltage divider method |
|
|
![]() |
GB/T 32483.2-2021 灯控制装置的效率要求 第2部分:高压放电灯(荧光灯除外) 控制装置效率的测量方法(中英文版) Energy performance of lamp controlgear—Part 2:Controlgear for high intensity discharge lamps(excluding fluorescent lamps)—Method of measurement to determine the efficiency of controlgear |
|
|
![]() |
GB/T 40794-2021 稀土永磁材料高温磁通不可逆损失检测方法(中英文版) Measurement method of irreversible magnetic flux loss due to high temperature of rare earth permanent magnet |
|
|
![]() |
GB/T 38852.2-2020 工业过程测量控制和自动化 系统评估中系统特性的评定 第2部分:评估方法学(中英文版) Industrial-process measurement, control and automation—Evaluation of system properties for the purpose of system assessment—Part 2: Assessment methodology |
|
|
![]() |
GB/T 12967.1-2020 铝及铝合金阳极氧化膜及有机聚合物膜检测方法 第1部分:耐磨性的测定(中英文版) Test methods for anodic oxidation coatings and organic polymer coatings of aluminium and aluminium alloys―Part 1: Measurement of abrasion resistance |
|
|
![]() |
GB/T 38737-2020 塑料 受控污泥消化系统中材料最终厌氧生物分解率测定 采用测量释放生物气体的方法(中英文版) Plastics—Determination of the ultimate anaerobic biodegradation of plastic materials in controlled slurry digestion systems—Method by measurement of biogas production |
|
|
![]() |
GB/T 27419-2018 测量不确定度评定和表示 补充文件1: 基于蒙特卡洛方法的分布传播(中英文版) Guide to the evaluation and expression of uncertainty in measurement—Supplement 1: Propagation of distributions using a Monte Carlo method |
|
|
![]() |
GB/T 36580-2018 船舶螺旋桨空泡脉动压力模型试验方法(中英文版) Test method of model propeller for cavitation observation and pressure fluctuation measurement |
|
|
![]() |
GB/T 34580-2017 运行涡轮机油中不溶有色物质的测定方法 膜片比色法(中英文版) Standard test method for measurement of lubricant generated insoluble color bodies in in-service turbine oils—Membrane patch colorimetry |
|
|
![]() |
GB/T 18271.3-2017 过程测量和控制装置 通用性能评定方法和程序 第3部分:影响量影响的试验(中英文版) Process measurement and control devices—General methods and procedures for evaluating performance—Part 3: Tests for the effects of influence quantities |
|
|
![]() |
GB/Z 33902-2017 使用差压装置测量流体流量 偏离GB/T2624给出的要求和工作条件的影响及其修正方法(中英文版) Measurement of fluid flow by means of pressure differential devices—Guidelines on the effect of departure from the specifications and operating conditions given in GB/T 2624 and the correction methods |
|
|
![]() |
GB/T 32999-2016 表面化学分析 深度剖析 用机械轮廓仪栅网复型法测量溅射速率(中英文版) Surface chemical analysis—Depth profiling—Measurement of sputtering rate: mesh-replica method using a mechanical stylus profilometer |
|
|
![]() |
GB 18176-2016 轻便摩托车污染物排放限值及测量方法(中国第四阶段)(中英文版) Limits and measurement methods for emissions of pollutants from mopeds (CHINA Ⅳ) |
|
|
![]() |
GB/T 32483.1-2016 灯控制装置的效率要求 第1部分:荧光灯控制装置 控制装置线路总输入功率和控制装置效率的测量方法(中英文版) Energy performance of lamp controlgear—Part 1: Controlgear for fluorescent lamps—Method of measurement to determine the total input power of controlgear circuits and the efficiency of the controlgear |
|
|
![]() |
GB/T 20140-2016 隐极同步发电机定子绕组端部动态特性和振动测量方法及评定(中英文版) Measurement method and evaluation criteria of dynamic characteristic and vibration on stator end windings of cylindrical synchronous generators |
|
|
![]() |
GB/T 31969-2015 灯用稀土三基色荧光粉试验方法 荧光粉二次特性的测定(中英文版) Test methods of rare earth three-band phosphors for fluorescent lamps—Measurement of phosphors application character |
|
|
![]() |
GB 20891-2014 非道路移动机械用柴油机排气污染物排放限值及测量方法(中国第三、四阶段)(中英文版) Limits and measurement methods for exhaust pollutants from diesel engines of non-road mobile machinery(CHINA Ⅲ、Ⅳ) |
|
|
![]() |
GB/T 30505-2014 船用焚烧炉烟气排放测量方法(中英文版) Measure method for emission pollutants of exhaust gas of marine incinerator |
|
|
![]() |
GB/T 11145-2014 润滑剂低温黏度的测定 勃罗克费尔特黏度计法(中英文版) Standard test method for measurement of low-temperature viscosity of lubricants―Brookfield viscometer method |
|
|
![]() |
GB/T 30119-2013 原子吸收测量用校准溶液制备方法(中英文版) Preparation method of calibration solution for atomic absorption measurement |
|
|
![]() |
GB/T 19484.1-2013 800MHz/2GHz cdma2000数字蜂窝移动通信系统的电磁兼容性要求和测量方法 第1部分:用户设备及其辅助设备(中英文版) Requirements and measurement methods of electromagnetic compatibility for 800MHz/2GHz cdma2000 digital cellular mobile telecommunications system - Part 1: User equipment and ancillary equipment |
|
|
![]() |
GB/T 27411-2012 检测实验室中常用不确定度评定方法与表示(中英文版) Routine methods for evaluation and expression of measurement uncertainty in testing laboratory |
|
|
![]() |
GB/T 28544-2012 封装闪烁体光输出和固有分辨率的测量方法(中英文版) Measurement methods of light output and intrinsic resolution for housed scintillators |
|
|
![]() |
GB/T 28474.2-2012 工业过程测量和控制系统用压力/差压变送器 第2部分:性能评定方法(中英文版) Pressure/Differential-pressure transmitters for use in industrial-process measure and control systems - Part 2: Methods of evaluating the performance |
|
|
![]() |
GB/T 28473.2-2012 工业过程测量和控制系统用温度变送器 第2部分:性能评定方法(中英文版) Temperature transmitters for use in industrial-process measure and control systems - Part 2: Methods of evaluating the performance |
|
|
![]() |
GB/T 28472.2-2012 工业过程测量和控制系统用配电器 第2部分:性能评定方法(中英文版) Distributor for use in industrial-process measure and control systems - Part 2: Methods of evaluating the performance |
|
|
![]() |
GB/T 28471.2-2012 工业过程测量和控制系统用隔离式安全栅 第2部分:性能评定方法(中英文版) Safety barrier for use in industrial-process measure and control systems - Part 2: Methods of evaluating the performance |
|
|
![]() |
GB/T 28470-2012 工业过程测量和控制系统用电动和气动模拟计算器性能评定方法(中英文版) Methods of evaluating the performance of electrical and pneumatic analogue computing unit for use in industrial process measurement and control systems |
|
|
![]() |
GB/T 26155.2-2012 工业过程测量和控制系统用智能电动执行机构 第2部分:性能评定方法(中英文版) Intelligent electrical actuators for industrial-process measurement and control systems - Part 2:Methods of evaluating the performance |
|
|
![]() |
GB/T 25749.8-2012 机械安全 空气传播的有害物质排放的评估 第8部分:测量污染物浓度参数的室内法(中英文版) Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 8: Room method for the measurement of the pollutant concentration parameter |
|
|
![]() |
GB/T 25749.7-2012 机械安全 空气传播的有害物质排放的评估 第7部分:测量污染物浓度参数的试验台法(中英文版) Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 7: Test bench method for the measurement of the pollutant concentration parameter |
|
|
![]() |
GB/T 25749.6-2012 机械安全 空气传播的有害物质排放的评估 第6部分:测量带导管出口的空气净化系统质量分离效率的试验台法(中英文版) Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 6: Test bench method for the measurement of the separation efficiency by mass of air cleaning systems with ducted outlet |
|
|
![]() |
GB/T 25749.5-2012 机械安全 空气传播的有害物质排放的评估 第5部分:测量不带导管出口的空气净化系统质量分离效率的试验台法(中英文版) Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 5: Test bench method for the measurement of the separation efficiency by mass of air cleaning systems with unducted outlet |
|
|
![]() |
GB/T 9029-2011 录放音设备抖晃测量方法(中英文版) Methods of the measurement of speed fluctuations in sound recording and reproducing equipment |
|
|
![]() |
GB/T 27502-2011 电导率测量用校准溶液制备方法(中英文版) Preparation method of reference solutions for the measurement of conductivity |
|
|
![]() |
GB/T 27501-2011 pH值测定用缓冲溶液制备方法(中英文版) Preparation method of buffer solutions for the measurement of pH value |
|
|
![]() |
GB/T 26812-2011 离子选择电极校准溶液制备方法(中英文版) Preparation method of reference solutions for the measurement of ion selective electrodes |
|
|
![]() |
GB/T 12967.7-2010 铝及铝合金阳极氧化膜检测方法 第7部分:用落砂试验仪测定阳极氧化膜的耐磨性(中英文版) Test methods for anodic oxidation coatings of aluminium and aluminium alloys - Part 7:Measurement of abrasion resistance of anodicoxidation coatings by sand falling test apparatus |
|
|
![]() |
GB/T 26271-2010 地面数字电视接收设备亮度与色差信号重合度技术要求及测量方法(中英文版) Technology requirements and measurement methods for the coincidence of luminance and color difference signal of terrestrial digital TV receiver equipment |
|
|
![]() |
GB/T 26156.2-2010 工业过程测量和控制系统用智能调节器 第2部分:性能评定方法(中英文版) Intelligent adjusters for industrial-process measurement and control systems - Part 2: Methods of evaluating the performance |
|
|
![]() |
GB 26133-2010 非道路移动机械用小型点燃式发动机排气污染物排放限值与测量方法(中国第一、二阶段)(中英文版) Limits and measurement methods for exhaust pollutants from small spark ignition engines of non-road mobile machinery |
|
|
![]() |
GB/T 25749.4-2010 机械安全 空气传播的有害物质排放的评估 第4部分:测量排气系统捕获效率的示踪法(中英文版) Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 4: Tracer method for the measurement of the capture efficiency of an exhaust system |
|
|
![]() |
GB/T 25749.3-2010 机械安全 空气传播的有害物质排放的评估 第3部分:测量给定污染物排放率的试验台法(中英文版) Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 3: Test bench method for the measurement of the emission rate of a given pollutant |
|
|
![]() |
GB/T 25749.2-2010 机械安全 空气传播的有害物质排放的评估 第2部分:测量给定污染物排放率的示踪气体法(中英文版) Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 2: Tracer gas method for the measurement of the emission rate of a given pollutant |
|
|
![]() |
GB/T 18491.2-2010 信息技术 软件测量 功能规模测量 第2部分:软件规模测量方法与GB/T 18491.1-2001的符合性评价(中英文版) Information technology - Software measurement - Functional size measurement - Part 2: Conformity evaluation of software size measurement methods to GB/T 18491.1-2001 |
|
|
![]() |
GB 25464-2010 陶瓷工业污染物排放标准(中英文版) The discharge standard of pollutants and method of measure for cermic industry |
|
|
![]() |
GB/T 18443.8-2010 真空绝热深冷设备性能试验方法 第8部分:容积测量(中英文版) Testing method of performance for vacuum insulation cryogenic equipment - Part 8: Volume measurement |
|
|
![]() |
GB/T 13930-2010 水环真空泵和水环压缩机 气量测定方法(中英文版) Methods for the measurement of volume flow of gas of water-ring vacuum pumps and compressors |
|
|
![]() |
GB/T 24664-2009 工业用大功率激光器光束质量测试评定方法(中英文版) Evaluation and measurement method for beam quality of high power laser system for industry manufacturing |
|
|
![]() |
GB/T 6379.6-2009 测量方法与结果的准确度(正确度与精密度) 第6部分:准确度值的实际应用(中英文版) Accuracy(trueness and precision) of measurement methods and results - Part 6: Use in practice of accuracy values |
|
|
![]() |
GB/T 9340-2009 荧光样品颜色的测量方法(中英文版) Methods for color measurement of fluorescent specimens |
|
|
![]() |
GB/T 14363-2009 柴油机机油消耗测定方法(中英文版) Measure method of lubricating oil consumption for diesel engines |
|
|
![]() |
GB/T 22450.1-2008 900/1800MHz TDMA 数字蜂窝移动通信系统电磁兼容性限值和测量方法 第1部分:移动台及其辅助设备(中英文版) Limits and measurement methods of electromagnetic compatibility for 900/1800MHz TDMA digital cellular telecommunications system - Part 1: Mobile station and ancillary equipment |
|
|
![]() |
GB/T 13471-2008 节电技术经济效益计算与评价方法(中英文版) Methods for calculating and evaluating the economic value of electricity saving measures |
|
|
![]() |
GB/T 15097-2008 船用柴油机排气排放污染物测量方法(中英文版) Measure method for emission pollutant of exhaust gas of marine diesel engine |
|
|
![]() |
GB/T 22133-2008 流体流量测量 流量计性能表述方法(中英文版) Measurement of fluid flow - Methods of specifying flowmeter performance |
|
|
![]() |
GB/T 12967.2-2008 铝及铝合金阳极氧化膜检测方法 第2部分:用轮式磨损试验仪测定阳极氧化膜的耐磨性和耐磨系数(中英文版) Test Methods for anodic oxidation coatings of aluminium and aluminium alloys - Part 2: measurement of wear risistance and wear index of anodic oxidation coatings with an abrasive wheel wear test appaeratus |
|
|
![]() |
GB/T 12967.1-2008 铝及铝合金阳极氧化膜检测方法 第1部分:用喷磨试验仪测定阳极氧化膜的平均耐磨性(中英文版) Test Methods for anodic oxidation coatings of aluminium and aluminium alloys - Part 1:Measurement of mean specific abrasion resistance of anodic oxidation coatings with an abrasive jet test Apparatus |
|
|
![]() |
GB/T 15371-2008 曲轴轴系扭转振动的测量与评定方法(中英文版) Torsional vibration of crankshaft system - Measurement and evaluation method |
|
|
![]() |
GB 14762-2008 重型车用汽油发动机与汽车排气污染物排放限值及测量方法(中国III、IV阶段)(中英文版) Limits and measurement methods for exhaust pollutants from gasoline engines of heavy-duty vehicles (III,IV) |
|
|
![]() |
GB/T 11144-2007 润滑液极压性能测定法 梯姆肯法(中英文版) Standard test method for measurement of extreme-perssure prosperties of lubricating fluids - Timken method |
|
|
![]() |
GB 18176-2007 轻便摩托车污染物排放限值及测量方法(工况法,中国第III阶段)(中英文版) Limits and measurement methods for emissions of pollutants from mopeds on the running mode(CHINA stage III) |
|
|
![]() |
GB 14622-2007 摩托车污染物排放限值及测量方法(工况法,中国第III阶段)(中英文版) Limits and measurement methods for the emissions of pollutants from motorcycles on the running mode(CHINA stage III) |
|
|
![]() |
GB/T 20243.1-2006 声学 道路表面对交通噪声影响的测量 第1部分 统计通过法(中英文版) Acoustics - Measurement of the influence of road surface on traffic noise Part 1: Statistical Pass-By method |
|
|
![]() |
GB/T 20140-2006 透平型发电机定子绕组端部动态特性和振动试验方法及评定(中英文版) Dynamic characteristic and vibration measurement method of turbo-generators on stator windings and evaluation criteria |
|
|
![]() |
GB/T 4955-2005 金属覆盖层 覆盖层厚度测量 阳极溶解库仑法(中英文版) Metallic coatings -- Measurement of coating thickness -- Coulometric method by anodic dissolution |
|
|
![]() |
GB 17691-2005 车用压燃式、气体燃料点燃式发动机与汽车排气污染物排放限值及测量方法(中国III、IV、V阶段)(中英文版) Limits and measurement methods for exhaust pollutants from compression ignition and gas fuelled positive ignition engines of vehicles (III, IV, V) |
|
|
![]() |
GB 19756-2005 三轮汽车和低速货车用柴油机排气污染物排放限值及测量方法(中国I、II阶段)(中英文版) Limits and measurement methods for exhaust pollutants from diesel engines of tr-wheel low-speed goods vehicles |
|
|
![]() |
GB/T 6609.24-2004 氧化铝化学分析方法和物理性能测定方法 安息角的测定(中英文版) Chemical analysis methods and determination of physical performance of alumina--Measurement of the angle of repose |
|
|
![]() |
GB/T 18659-2002 封闭管道中导电液体流量的测量 电磁流量计的性能评定方法(中英文版) Measurement of fluid flow in closed conduits--Methods of evaluating the performance of electromagnetic flow-meters for liquids |
|
|
![]() |
GB 18352.2-2001 轻型汽车污染物排放限值及测量方法(Ⅱ)(中英文版) Limits and measurement methods for emissions of pollutants from light-duty vehicles(Ⅱ) |
|
|
![]() |
GB 18352.1-2001 轻型汽车污染物排放限值及测量方法(I)(中英文版) Limits and measurement methods foremissions of pollutants from light-duty vehicles(Ⅰ) |
|
|
![]() |
GB/T 18272.2-2000 工业过程测量和控制 系统评估中系统特性的评定 第2部分:评估方法学(中英文版) Industrial-process measurement and control--Evaluation of system properties for the purpose of system assessment--Part 2:Assessment methodology |
|
|
![]() |
GB/T 18272.1-2000 工业过程测量和控制 系统评估中系统特性的评定 第1部分:总则和方法学(中英文版) Industrial-process measurement and control--Evaluation of system properties for the purpose of system assessment--Part 1:General consideration and methodology |
|
|
![]() |
GB/T 18271.3-2000 过程测量和控制装置 通用性能评定方法和程序 第3部分:影响量影响的试验(中英文版) Process measurement and control devices--General methods and procedures for evaluating performance--Part 3:Tests for the effects of influence quantities |
|
|
![]() |
GB/T 7397.5-2000 非广播磁带录像机测量方法 第5部分:宽带录像机----包括具有Y/C视频连接器的宽带录像机(PAL/NTSC)(中英文版) Non-broadcast video tape recorders--Methods of measurement--Part 5:High-band video tape recorders including those equipped with Y/C video connectors (PAL/NTSC) |
|
|
![]() |
GB/T 3301-1999 日用陶瓷的容积、口径误差、高度误差、重量误差、缺陷尺寸的测定方法(中英文版) Standard method for measurement of volume,rim diameter allowance, hight allowance, weight allowance and size of defects of domestic ceramic ware |
|
|
![]() |
GB/T 12583-1998 润滑剂极压性能测定法(四球法)(中英文版) Standard test method for measurement of extreme-pressure properties of lubricating fluids(four-ball method) |
|
|
![]() |
GB/T 3790-1995 荧光显示管测试方法(中英文版) Methods of measurement for fluorescent display tubes |
|
|
![]() |
GB/T 11299.6-1989 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第一节:概述 第二节:天线(包括馈源网络)(中英文版) Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section one:General--Section two:Antenna(inculuding feed network) |
|
| 找到:96條目 | [首頁]-[上一頁]-[下一頁]-[尾頁] | 去到: 1 |


