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GB/T 19334-2021低压开关设备和控制设备的尺寸 在开关设备和控制设备及其附件中作机械支承的标准安装轨Dimensions of low-voltage switchgear and controlgear. Standardized mounting on rails for mechanical support of switchgear, controlgear and accessories
GB/T 19334-2021低压开关设备和控制设备的尺寸 在开关设备和控制设备及其附件中作机械支承的标准安装轨Dimensions of low-voltage switchgear and controlgear. Standardized mounting on rails for mechanical support of switchgear, controlgear and accessories...
2022-03-14[dimensions|mechanical|dimension|]浏览：17下载：0
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GB/T 19361-2021电火花线切割机床（单向走丝型） 精度检验Wire electrical discharge machines（unidirectional traveling type）. Testing of the accuracy
GB/T 19361-2021电火花线切割机床（单向走丝型） 精度检验Wire electrical discharge machines（unidirectional traveling type）. Testing of the accuracy...
2022-03-14[unidirectional|directional|electrical|]浏览：13下载：0
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GB/T 19634-2021体外诊断检验系统 自测用血糖监测系统通用技术条件In vitro diagnostic test systems. General technical requirements for blood-glucose monitoring systems for self-testing
GB/T 19634-2021体外诊断检验系统 自测用血糖监测系统通用技术条件In vitro diagnostic test systems. General technical requirements for blood-glucose monitoring systems for self-testing...
2022-03-14[监测系统|通用技术|requirements|]浏览：31下载：1
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GB/T 19754-2021重型混合动力电动汽车能量消耗量试验方法Test methods for energy consumption of heavy-duty hybrid electric vehicles
GB/T 19754-2021重型混合动力电动汽车能量消耗量试验方法Test methods for energy consumption of heavy-duty hybrid electric vehicles...
2022-03-14[电动汽车|consumption|vehicles|]浏览：12下载：0
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GB/T 20115.1-2021工业燃料加热装置基本技术条件 第1部分:通用部分Basic specifications for industrial fuel fired installations. Part 1:General
GB/T 20115.1-2021工业燃料加热装置基本技术条件 第1部分:通用部分Basic specifications for industrial fuel fired installations. Part 1:General...
2022-03-14[specifications|specification|installation|]浏览：8下载：0
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GB/T 20184-2021拉曼光纤放大器Raman fiber amplifier
GB/T 20184-2021拉曼光纤放大器Raman fiber amplifier...
2022-03-14[放大器|放大|光纤|]浏览：7下载：0
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GB/T 20275-2021信息安全技术 网络入侵检测系统技术要求和测试评价方法Information security technology. Technical requirements and testing and evaluation approaches for network-based intrusion detection system
GB/T 20275-2021信息安全技术 网络入侵检测系统技术要求和测试评价方法Information security technology. Technical requirements and testing and evaluation approaches for network-based intrusion detection system...
2022-03-14[入侵检测|技术要求|评价方法|]浏览：12下载：24
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GB/T 20412-2021钙镁磷肥Fused calcium magnesium phosphate fertilizer
GB/T 20412-2021钙镁磷肥Fused calcium magnesium phosphate fertilizer...
2022-03-14[fertilizer|magnesium|Phosphate|]浏览：9下载：0
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GB/T 20452-2021仁用杏杏仁质量等级Quality grades of apricot kernels
GB/T 20452-2021仁用杏杏仁质量等级Quality grades of apricot kernels...
2022-03-14[quality|质量|等级|]浏览：7下载：0
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GB/T 20933-2021热轧钢板桩Hot rolled sheet pile
GB/T 20933-2021热轧钢板桩Hot rolled sheet pile...
2022-03-14[钢板|轧钢|热轧|]浏览：12下载：0
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GB/T 21287-2021电子特气 三氟化氮Electronic specialty gas. Nitrogen trifluoride
GB/T 21287-2021电子特气 三氟化氮Electronic specialty gas. Nitrogen trifluoride...
2022-03-14[electronic|electron|nitrogen|]浏览：18下载：0
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GB/T 21537-2021锥型橡胶护舷Cone rubber fender
GB/T 21537-2021锥型橡胶护舷Cone rubber fender...
2022-03-14[rubber|橡胶|Cone|]浏览：13下载：0
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GB/T 21543-2021饲料添加剂 调味剂 通用要求Feed additives. Flavorings. General principles
GB/T 21543-2021饲料添加剂 调味剂 通用要求Feed additives. Flavorings. General principles...
2022-03-14[饲料添加剂|Principles|调味剂|]浏览：10下载：0
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GB/T 21969-2021YGP系列辊道用变频调速三相异步电动机 技术条件YGP series variable-frequency adjustable-speed three-phase induction motors for roll table application. Technical specification
GB/T 21969-2021YGP系列辊道用变频调速三相异步电动机 技术条件YGP series variable-frequency adjustable-speed three-phase induction motors for roll table application. Technical specification...
2022-03-14[variable-frequency|异步电动机|specification|]浏览：7下载：0
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GB/T 21973-2021YZR3系列起重及冶金用绕线转子三相异步电动机 技术条件YZR3 series wound-rotor three-phase induction motors for crane and metallurgical applications. Technical specification
GB/T 21973-2021YZR3系列起重及冶金用绕线转子三相异步电动机 技术条件YZR3 series wound-rotor three-phase induction motors for crane and metallurgical applications. Technical specification...
2022-03-14[异步电动机|specification|applications|]浏览：10下载：0
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GB/T 22158-2021核电厂防火设计规范Code for fire protection design of nuclear power plant
GB/T 22158-2021核电厂防火设计规范Code for fire protection design of nuclear power plant...
2022-03-14[防火设计|设计规范|protection|]浏览：11下载：0
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GB/T 22271.1-2021塑料 聚甲醛（POM）模塑和挤出材料 第1部分：命名系统和分类基础Plastics. Polyoxymethylene(POM)moulding and extrusion materials. Part1 :Designation system and basis for specification
GB/T 22271.1-2021塑料 聚甲醛（POM）模塑和挤出材料 第1部分：命名系统和分类基础Plastics. Polyoxymethylene(POM)moulding and extrusion materials. Part1 :Designation system and basis for specification...
2022-03-14[specification|materials|聚甲醛|]浏览：9下载：0
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GB/T 22271.2-2021塑料 聚甲醛（POM）模塑和挤出材料 第2部分：试样制备和性能测定Plastics. Polyoxymethylene(POM) moulding and extrusion materials. Part 2:Preparation of test specimens and determination of properties
GB/T 22271.2-2021塑料 聚甲醛（POM）模塑和挤出材料 第2部分：试样制备和性能测定Plastics. Polyoxymethylene(POM) moulding and extrusion materials. Part 2:Preparation of test specimens and determination of properties...
2022-03-14[Determination|preparation|properties|]浏览：11下载：0
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GB/T 22430-2021集装箱运输电子数据交换 集装箱进/出门报告报文Container transportation electronic data interchange. Gate-in/gate-out message
GB/T 22430-2021集装箱运输电子数据交换 集装箱进/出门报告报文Container transportation electronic data interchange. Gate-in/gate-out message...
2022-03-14[transportation|electronic|集装箱|]浏览：10下载：0
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GB/T 22431-2021集装箱运输电子数据交换 船舶离港报文Container transportation electronic data interchange. Vessel departure message
GB/T 22431-2021集装箱运输电子数据交换 船舶离港报文Container transportation electronic data interchange. Vessel departure message...
2022-03-14[transportation|electronic|集装箱|]浏览：8下载：0
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GB/T 22432-2021集装箱运输电子数据交换 船舶挂靠信息报文Container transportation electronic data interchange. Vessel call information message
GB/T 22432-2021集装箱运输电子数据交换 船舶挂靠信息报文Container transportation electronic data interchange. Vessel call information message...
2022-03-14[transportation|information|electronic|]浏览：15下载：0
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GB/T 22459.3-2021耐火泥浆 第3部分：粘接时间试验方法Refractory mortars. Part 3: Determination of joint stability
GB/T 22459.3-2021耐火泥浆 第3部分：粘接时间试验方法Refractory mortars. Part 3: Determination of joint stability...
2022-03-14[Determination|Refractory|Stability|]浏览：14下载：0
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GB/T 22712-2021变频电机用G系列冷却风机技术规范Technical specification for G series cooling fans applying to variable frequency motors
GB/T 22712-2021变频电机用G系列冷却风机技术规范Technical specification for G series cooling fans applying to variable frequency motors...
2022-03-14[specification|变频电机|frequency|]浏览：14下载：0
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