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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 19216.31-2008 |
Tests for electric or optical fibre cables under fire conditions - Circuit integrity - Part 31: Procedures and requirements for fire with shock - Cables of rated voltage up to and including 0.6/1 kV 在火焰条件下电缆或光缆的线路完整性试验 第31部分：供火并施加冲击的试验程序和要求 额定电压0.6/1kV及以下电缆 |
China National Standards rat |
 English PDF |
| GB/T 19216.21-2003 |
Tests for electric cables under fire conditions--Circuit integrity--Part 21: Procedures and requirements--Cables of rated voltage up to and including 0.6/1.0kV 在火焰条件下电缆或光缆的线路完整性试验 第21部分:试验步骤和要求 额定电压0.6/1.0 kV及以下电缆 |
China National Standards rat |
English PDF |
| GB/T 19216.12-2008 |
Tests for electric or optical fibre cables under fire conditions - Circuit integrity - Part 12: Apparatus - Fire with shock at a temperature of at least 830℃ 在火焰条件下电缆或光缆的线路完整性试验 第12部分：试验装置 火焰温度不低于830℃的供火并施加冲击 |
China National Standards rat |
English PDF |
| GB/T 19216.11-2003 |
Tests for electric cables under fire conditions--Circuit integrity--Part 11: Apparatus--Fire alone at a flame temperature of at least 750℃ 在火焰条件下电缆或光缆的线路完整性试验 第11部分:试验装置 火焰温度不低于750℃的单独供火 |
China National Standards rat |
English PDF |
| GB/T 19199-2015 |
Test method for carbon acceptor concentration in semi-insulating gallium arsenide single crystals by infrared absorption spectroscopy 半绝缘砷化镓单晶中碳浓度的红外吸收测试方法 |
China National Standards rat |
English PDF |
| GB/T 19199-2003 |
Test method for carbon concentration of semi-insulating monocrystal gallium arsenide by measurement infrared absorption method 半绝缘砷化镓单晶中碳浓度的红外吸收测试方法 |
China National Standards rat |
English PDF |
| GB/T 19168-2003 |
Standard for integrated pests management of honey bee 蜜蜂病虫害综合防治规范 |
China National Standards rat |
English PDF |
| GB/T 19146-2010 |
Infrared devices for instant screening of human skin temperature 红外人体表面温度快速筛检仪 |
China National Standards rat |
English PDF |
| GB/T 19137-2003 |
Testing method for the storage stability at lowtemperature of pesticides 农药低温稳定性测定方法 |
China National Standards rat |
English PDF |
| GB/T 19136-2003 |
Testing method for the storage stability at elevated temperature of pesticides 农药热贮稳定性测定方法 |
China National Standards rat |
English PDF |
| GB/T 19116-2003 |
Lycium culture technics operatings 枸杞栽培技术规程 |
China National Standards rat |
English PDF |
| GB/T 19115.2-2003 |
Off-grid type wind-solar photovoltaic hybrid generate electricity system of household-use--Part 2: Test methods 离网型户用风光互补发电系统 第2部分: 试验方法 |
China National Standards rat |
English PDF |
| GB/T 19115.1-2003 |
Off-grid type wind-solar photovoltaic hybrid generate electricity system of household-use--Part 1: Technology condition 离网型户用风光互补发电系统 第1部分:技术条件 |
China National Standards rat |
English PDF |
| GB/T 19114.44-2012 |
Industrial automation systems and integration - Industrial manufacturing management data - Part 44: Information modelling for shop floor data acquisition 工业自动化系统与集成 工业制造管理数据 第44部分：车间级数据采集的信息建模 |
China National Standards rat |
English PDF |
| GB/T 19114.43-2010 |
Industrial automation systems and integration - Industrial manufacturing management data - Part 43: Manufacturing flow management data: Data model for flow monitoring and manufacturing data exchange 工业自动化系统与集成 工业制造管理数据 第43部分：制造流程管理数据：流程监控与制造数据交换的数据模型 |
China National Standards rat |
English PDF |
| GB/T 19114.42-2008 |
Industrial automation systems and integration - Industrial manufacturing management data - Part 42: Time model 工业自动化系统与集成 工业制造管理数据 第42部分：时间模型 |
China National Standards rat |
English PDF |
| GB/T 19114.32-2008 |
Industrial automation systems and integration - Industrial manufacturing management data: Resource usage management - Part 32: Conceptual model for resources usage management data 工业自动化系统与集成 工业制造管理数据：资源应用管理 第32部分：资源应用管理数据的概念模型 |
China National Standards rat |
English PDF |
| GB/T 19114.31-2008 |
Industrial automation systems and integration - Industrial manufacturing management data - Part 31: Resource information model 工业自动化系统与集成 工业制造管理数据 第31部分：资源信息模型 |
China National Standards rat |
English PDF |
| GB/T 19114.1-2003 |
Industrial automation systems and integration--Industrial manufacturing management data--Part 1:General overview 工业自动化系统与集成 工业制造管理数据 第1部分:综述 |
China National Standards rat |
English PDF |
| GB/T 19094-2003 |
Coal preparation plant--Principles and conventions for flow sheets 选煤厂 流程图原则和规定 |
China National Standards rat |
English PDF |
| GB/T 19073-2008 |
Gearbox of wind turbine generator systems 风力发电机组 齿轮箱 |
China National Standards rat |
English PDF |
| GB/T 19072-2010 |
Tower of wind turbine generator system 风力发电机组 塔架 |
China National Standards rat |
English PDF |
| GB/T 19071.2-2003 |
Asynchronous generator forwind turbine generator systems--Part 2: Test method 风力发电机组 异步发电机 第2部分: 试验方法 |
China National Standards rat |
English PDF |
| GB/T 19071.1-2003 |
Asynchronous generator forwind turbine generator systems--Part 1: Technical condition 风力发电机组 异步发电机 第1部分:技术条件 |
China National Standards rat |
English PDF |
| GB/T 19070-2003 |
Test method for electrical controller of wind turbine generator systems 风力发电机组 控制器 试验方法 |
China National Standards rat |
English PDF |
| GB/T 19069-2003 |
Technical condition for electrical controller of wind turbine generator systems 风力发电机组 控制器 技术条件 |
China National Standards rat |
English PDF |
| GB/T 19068.3-2003 |
Off-grid wind turbine generator system--Part 3: Wind tunnel test methods 离网型风力发电机组 第3部分: 风洞试验方法 |
China National Standards rat |
English PDF |
| GB/T 19068.2-2003 |
Off-grid wind turbine generatorsystem--Part 2: Test method 离网型风力发电机组 第2部分: 试验方法 |
China National Standards rat |
English PDF |
| GB/T 19068.1-2003 |
Off-grid wind turbine generatorsystem--Part 1: Technical condition 离网型风力发电机组 第1部分:技术条件 |
China National Standards rat |
English PDF |
| GB/T 19066.1-2008 |
Dimensions for flexible graphite covered wave-serrated metal gaskets 柔性石墨金属波齿复合垫片 尺寸 |
China National Standards rat |
English PDF |
| GB/T 19065-2011 |
Economical operation for electric boiler system 电加热锅炉系统经济运行 |
China National Standards rat |
English PDF |
| GB/T 19046-2013 |
Medical electron accelerators―Acceptance and periodic tests 医用电子加速器 验收试验和周期检验规程 |
China National Standards rat |
English PDF |
| GB/T 19045-2003 |
Preparation of parts lists 明细表的编制 |
China National Standards rat |
English PDF |
| GB/T 19017-2008 |
Quality management systems - Guidelines for configuration management 质量管理体系 技术状态管理指南 |
China National Standards rat |
English PDF |
| GB/T 18984-2003 |
Seamless steel tubes for low-temperature-servicepiping 低温管道用无缝钢管 |
China National Standards rat |
English PDF |
| GB/T 18975.2-2008 |
Industrial automation systems and integration - Integration of life-cycle data for process plants including oil and gas production facilities - Part 2: Data model 工业自动化系统与集成 流程工厂(包括石油和天然气生产设施)生命周期数据集成 第2部分：数据模型 |
China National Standards rat |
English PDF |
| GB/T 18975.1-2003 |
Industrial automation systems and integration--Integration of life-cycle data for process plants including oil and gas production facilities--Part 1: Overview and fundamental principles 工业自动化系统与集成 流程工厂(包括石油和天然气生产设施)生命周期数据集成 第1部分:综述与基本原理 |
China National Standards rat |
English PDF |
| GB/T 18964.2-2003 |
Plastics--Impact-resistant polystyrene(PS-I) moulding and extrusion materials--Part 2: Preparation of test specimens and determination of properties 塑料 抗冲击聚苯乙烯(PS-I)模塑和挤出材料 第2部分: 试样制备和性能测定 |
China National Standards rat |
English PDF |
| GB/T 18963-2012 |
Apple juice concentrate 浓缩苹果汁 |
China National Standards rat |
English PDF |
| GB/T 18932.1-2002 |
Method for the determination of C-4 plant sugars in honey--Stable carbon isotope ratio method 蜂蜜中碳-4植物糖含量测定方法 稳定碳同位素比率法 |
China National Standards rat |
English PDF |
| GB/T 18916.23-2015 |
Norm of intake—Part 23: Citrate acid prodnction 取水定额 第23部分：柠檬酸制造 |
China National Standards rat |
English PDF |
| GB/T 18910.4-2007 |
Liquid crystal and solid-state display devices - Part 4: Liquid crystal display modules and cells - Essential ratings and characteristics 液晶和固态显示器件 第4部分：液晶显示模块和屏 基本额定值和特性 |
China National Standards rat |
English PDF |
| GB/T 18910.41-2008 |
Liquid crystal display devices Part 4-1: Matrix colour LCD modules- Essential ratings and characteristics 液晶显示器件 第4-1部分：彩色矩阵液晶显示模块 基本额定值和特性 |
China National Standards rat |
English PDF |
| GB/T 18890.3-2015 |
Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 220 kV（Um=252 kV）—Part 3: Accessories 额定电压220kV（Um=252 kV）交联聚乙烯绝缘电力电缆及其附件 第3部分：电缆附件 |
China National Standards rat |
English PDF |
| GB/T 18890.2-2015 |
Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 220 kV（Um=252 kV）—Part 2: Power cables 额定电压220kV（Um=252 kV）交联聚乙烯绝缘电力电缆及其附件 第2部分：电缆 |
China National Standards rat |
English PDF |
| GB/T 18890.1-2015 |
Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 220 kV（Um=252 kV）—Part 1: Test methods and requirements 额定电压220kV（Um=252 kV）交联聚乙烯绝缘电力电缆及其附件 第1部分：试验方法和要求 |
China National Standards rat |
English PDF |
| GB/T 18889-2002 |
Electric cables-test methods for accessories for power cables with rated voltages from 6kV(Um=7.2kV)up to 35kV(Um=40.5kV) 额定电压6 kV(Um=7.2 kV)到35 kV(Um=40.5 kV)电力电缆附件试验方法 |
China National Standards rat |
English PDF |
| GB/T 18876.3-2008 |
Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis - Part 3: Determining the carbides rating in steels by automatic image analysis and stereology 应用自动图像分析测定钢和其它金属中金相组织、夹杂物含量和级别的标准试验方法 第3部分 钢中碳化物级别的图像分析与体视学测定 |
China National Standards rat |
English PDF |
| GB/T 18876.2-2006 |
Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis - Part 2: Determining the inclusion ratings of steels by automatic image analysis and stereology 应用自动图像分析测定钢和其它金属中金相组织、夹杂物含量和级别的标准试验方法 第2部分：钢中夹杂物级别的图像分析与体视学测定 |
China National Standards rat |
English PDF |
| GB/T 18865-2002 |
Rubber and rubber products--Confidence intervals for repeatability and reproducibility values determined by inter-laboratory tests 橡胶与橡胶制品 实验室间试验确定的重复性值和再现性值置信区间 |
China National Standards rat |
English PDF |
| GB/T 18854-2015 |
Hydraulic fluid power—Calibration of automatic particle counters for liquids 液压传动 液体自动颗粒计数器的校准 |
China National Standards rat |
English PDF |
| GB/T 18854-2002 |
Hydraulic fluid power--Calibration of liquid automatic particle counters 液压传动 液体自动颗粒计数器的校准 |
China National Standards rat |
English PDF |
| GB/T 18853-2015 |
Hydraulic fluid power filters—Multi-pass method for evaluating filtration performance of a filter element 液压传动过滤器 评定滤芯过滤性能的多次通过方法 |
China National Standards rat |
English PDF |
| GB/T 18853-2002 |
Hydraulic fluid power filters--Multi-pass method for evaluating filtration performance of a filterelement 液压传动过滤器 评定滤芯过滤性能的多次通过方法 |
China National Standards rat |
English PDF |
| GB/T 18851.6-2014 |
Non-destructive testing―Penetrant testing―Part 6: Penetrant testing at temperatures lower than 10℃ 无损检测 渗透检测 第6部分：温度低于10℃的渗透检测 |
China National Standards rat |
English PDF |
| GB/T 18851.5-2014 |
Non-destructive testing―Penetrant testing―Part 5: Penetrant testing at temperatures higher than 50 ℃ 无损检测 渗透检测 第5部分：温度高于50℃的渗透检测 |
China National Standards rat |
English PDF |
| GB/T 1884-2000 |
Crude petroleum and liquid petroleum products--Laboratory determination of density--Hydrometer method 原油和液体石油产品密度实验室测定法(密度计法) |
China National Standards rat |
English PDF |
| GB/T 18839.3-2002 |
Preparation of steel substrates before application of paints and related products--Surface preparation methods--Hand-and power-tool cleaning 涂覆涂料前钢材表面处理 表面处理方法 手工和动力工具清理 |
China National Standards rat |
English PDF |
| GB/T 18839.2-2002 |
Preparation of steel substrates before application of paints and related products--Surface preparation methods--Abrasive blast-cleaning 涂覆涂料前钢材表面处理 表面处理方法 磨料喷射清理 |
China National Standards rat |
English PDF |
| GB/T 18839.1-2002 |
Preparation of steel substrates before application of paints and related products--Surface preparation methods--General principles 涂覆涂料前钢材表面处理 表面处理方法 总则 |
China National Standards rat |
English PDF |
| GB/T 18838.5-2015 |
Preparation of steel substrates before application of paints and related products—Specifications for metallic blast-cleaning abrasives—Part 5: Steel cut wire shot 涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 第5部分：钢丝切丸 |
China National Standards rat |
English PDF |
| GB/T 18838.4-2008 |
Preparation of steel substrates before application of paints and related products-Specifications for metallic blast-cleaning abrasives - Part 4:Low-carbon cast-steel shot 涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 第4部分: 低碳铸钢丸 |
China National Standards rat |
English PDF |
| GB/T 18838.3-2008 |
Preparation of steel substrates before application of paints and related products-Specifications for metallic blast-cleaning abrasives - Part 3: High-carbon cast-steel shot and grit 涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 第3部分: 高碳铸钢丸和砂 |
China National Standards rat |
English PDF |
| GB/T 18838.1-2002 |
Preparation of steel substrates before application of paints and related products--Specifications for metallic blast-cleaning abrasives--General introduction and classification 涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 导则和分类 |
China National Standards rat |
English PDF |
| GB/T 1883.1-2005 |
Reciprocating internal combustion engines-Vocabulary-Part 1:Terms for engine design and operation 往复式内燃机 词汇 第1部分：发动机设计和运行术语 |
China National Standards rat |
English PDF |
| GB/T 18822-2002 |
Small craft less than 8m length of hull--Determination of maximum propulsion power rating 艇体长度小于8m的小艇 最大推进额定功率的确定 |
China National Standards rat |
English PDF |
| GB/T 18819-2002 |
The safety requirements for ship to ship transferoperation of crude oil 原油过驳安全作业要求 |
China National Standards rat |
English PDF |
| GB/T 1881-1995 |
Phosphate rock and concentrate--Determination of strontium oxide content--Flame atomic absorptionspectrometric method 磷矿石和磷精矿中氧化锶含量的测定 火焰原子吸收光谱法 |
China National Standards rat |
English PDF |
| GB/T 1880-1995 |
Phosphate rock and concentrate--Determination of sulfur trioxide content--Gravimetric method 磷矿石和磷精矿中三氧化硫含量的测定 重量法 |
China National Standards rat |
English PDF |
| GB/T 1879-1995 |
Phosphate rock and concentrate--Determination of potassium oxide content--Flame atomic absorptionspectrometric method 磷矿石和磷精矿石氧化钾含量的测定 火焰原子吸收光谱法 |
China National Standards rat |
English PDF |
| GB/T 1878-1995 |
Phosphate rock and concentrate--Determination of iodine content--Spectrophotometric andspecific ion electrode methods 磷矿石和磷精矿中碘含量的测定 分光光度法和离子选择性电极法 |
China National Standards rat |
English PDF |
| GB/T 18779.2-2004 |
Geometrical Product Specifications(GPS)--Inspection by measurement of workpieses and measuring equipment--Part 2:Guide to the estimation of uncertainty in GPS measurement，in calibration of measuring equipment and in product verification 产品几何量技术规范(GPS) 工件与测量设备的测量检验 第2部分:测量设备校准和产品检验中GPS测量的不确定度评定指南 |
China National Standards rat |
English PDF |
| GB/T 18778.3-2006 |
Geometrical Product Specifications(GPS) - Surface texture: Profile method - Surface having stratified functional properties - Part 3: Height characterization using the material probability curve 产品几何技术规范(GPS) 表面结构 轮廓法 具有复合加工特征的表面 第3部分: 用概率支承率曲线表征高度特性 |
China National Standards rat |
English PDF |
| GB/T 18778.2-2003 |
Geometrical Product Specifications(GPS)--Surface texture: Profile method--Surface having stratified functional properties--Part 2: Height characterization using the linear material ratio curve 产品几何量技术规范(GPS) 表面结构 轮廓法 具有复合加工特征的表面 第2部分: 用线性化的支承率曲线表征高度特性 |
China National Standards rat |
English PDF |
| GB/T 18778.1-2002 |
Geometrical product specifications(GPS)--Surface texture:Profile method;Surfaces having stratified functional properties--Part 1:Filtering and general measurement conditions 产品几何量技术规范(GPS) 表面结构 轮廓法 具有复合加工特征的表面 第1部分:滤波和一般测量条件 |
China National Standards rat |
English PDF |
| GB/T 18773-2008 |
Environmental sanitation standard for incineration of medical treatment wastes 医疗废物焚烧环境卫生标准 |
China National Standards rat |
English PDF |
| GB/T 1877-1995 |
Phosphate rock and concentrate--Determination of manganese oxide content--Spectrophotometric and volumetric methods 磷矿石和磷精矿中氧化锰含量的测定 分光光度法和容量法 |
China National Standards rat |
English PDF |
| GB/T 18770-2008 |
Management quality rating and technology requirement for edible salt wholesale enterprises 食盐批发企业管理质量等级划分及技术要求 |
China National Standards rat |
English PDF |
| GB/T 1876-1995 |
Phosphate rock and concentrate--Determination of carbon dioxide content--Gasometric method 磷矿石和磷精矿中二氧化碳含量的测定 气量法 |
China National Standards rat |
English PDF |
| GB/T 18755.2-2003 |
Industrial automation systems and integration--Manufacturing Automation Programming Environment (MAPLE)--Part 2: Services and interfaces 工业自动化系统与集成 制造自动化编程环境(MAPLE) 第2部分: 服务与接口 |
China National Standards rat |
English PDF |
| GB/T 1875-1995 |
Phosphate rock and concentrate--Determination of loss on ignition--Gravimetric method 磷矿石和磷精矿中灼烧失量的测定 重量法 |
China National Standards rat |
English PDF |
| GB/T 18750-2008 |
Municipal solid waste incinerator and boiler 生活垃圾焚烧炉及余热锅炉 |
China National Standards rat |
English PDF |
| GB/T 1874-1995 |
Phosphate rock and concentrate--Determination of acid insoluble content--Gravimetric method 磷矿石和磷精矿中酸不溶物含量的测定 重量法 |
China National Standards rat |
English PDF |
| GB/T 1873-1995 |
Phosphate rock and concentrate--Determination of silicon dixide content--Gravimetric and volumetric methods 磷矿石和磷精矿中二氧化硅含量的测定 重量法和容量法 |
China National Standards rat |
English PDF |
| GB/T 18729-2011 |
Specification of enterprise information integration in network environment 基于网络的企业信息集成规范 |
China National Standards rat |
English PDF |
| GB/T 18726-2011 |
Software interface specification of integrated technology of modern design engineering 现代设计工程集成技术的软件接口规范 |
China National Standards rat |
English PDF |
| GB/T 1872-1995 |
Phosphate rock and concentrate--Determination of fluorine content--Specific ion electrode method 磷矿石和磷精矿中氟含量的测定 离子选择性电极法 |
China National Standards rat |
English PDF |
| GB/T 18712-2002 |
Methods for evaluating flocculants for use incoal preparation 选煤用絮凝剂性能试验方法 |
China National Standards rat |
English PDF |
| GB/T 18711-2002 |
Magnetite for use in coal preparation--Test methods 选煤用磁铁矿粉试验方法 |
China National Standards rat |
English PDF |
| GB/T 1871.5-1995 |
Phosphaterock and concentrate--Determination of magnesium oxide content--Flame atomic absorption spectrometric and volumetric methods 磷矿石和磷精矿中氧化镁含量的测定 火焰原子吸收光谱法和容量法 |
China National Standards rat |
English PDF |
| GB/T 1871.4-1995 |
Phosphate rock and concentrate--Determination of calcium oxide content--Volumetric methods 磷矿石和磷精矿中氧化钙含量的测定 容量法 |
China National Standards rat |
English PDF |
| GB/T 1871.3-1995 |
Phosphate rock and concentrate--Determination of aluminium oxide content--Volumetric and spectrophotometric methods 磷矿石和磷精矿中氧化铝含量的测定 容量法和分光光度法 |
China National Standards rat |
English PDF |
| GB/T 1871.2-1995 |
Phosphate rock and concentrate--Determination of iron oxide content--Volumetric and spectrophotometric methods 磷矿石和磷精矿中氧化铁含量的测定 容量法和分光光度法 |
China National Standards rat |
English PDF |
| GB/T 1871.1-1995 |
Phosphate rock and concentrate--Determination of phosphrous pentoxide content--Quinoline phosphomolybdate gravimetric and volumetric methods 磷矿石和磷精矿中五氧化二磷含量的测定 磷钼酸喹啉重量法和容量法 |
China National Standards rat |
English PDF |
| GB/T 18707.2-2010 |
Mechanical vibration - Laboratory method for evaluating vehicle seat vibration - Part 2：Application to railway vehicle 机械振动 评价车辆座椅振动的实验室方法 第2部分：应用于机车车辆 |
China National Standards rat |
English PDF |
| GB/T 18707.1-2002 |
Mechanical vibration--Laboratory method for evaluating vehicle seat vibration--Part 1:Basic requirements 机械振动 评价车辆座椅振动的实验室方法 第1部分:基本要求 |
China National Standards rat |
English PDF |
| GB/T 18703-2002 |
Measurement and evaluation of the vibration transmissibility of gloves at the palm of the hand 手套掌部振动传递率的测量与评价 |
China National Standards rat |
English PDF |
| GB/T 1870-1995 |
Phosphate rock and concentrate--Determination of moisture content--Gravimetric method 磷矿石和磷精矿中水分的测定 重量法 |
China National Standards rat |
English PDF |
| GB/T 18699.1-2002 |
Acoustics--Determination of sound insulation performances of enclosures--Part 1:Measurements under laboratory conditions (for declaration purposes) 声学 隔声罩的隔声性能测定 第1部分:实验室条件下测量(标示用) |
China National Standards rat |
English PDF |
| GB/T 18696.1-2004 |
Acoustics--Determination of sound absorption coefficient and impedance in impedance tubes--Part 1:Method using standing wave ratio 声学 阻抗管中吸声系数和声阻抗的测量 第1部分:驻波比法 |
China National Standards rat |
English PDF |
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