...standards and specifications;residual current electrical fire monitoring system;SPD [gap=109]关键词:间接接触电击防护;安全接地;信号接地;接地线线径;悬浮接地;标准规范;剩余电流式电气火灾监控;SPD ..
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2.2 执行规范和标准 Standards and specifications 2.2.5 《压缩机、风机、泵安装工程施工及验收规范》GB50275-98; Compressors, fans and pumps installation and acceptance spe...
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Korea Standards and Specifications 韩国食品器具
Local standards and specifications 当地的规范规范
Product standards and specifications 产品标准和规范
relative standards and specifications 有关标准和规范
specifications and standards 规格与标准
Defence and Military Standards Specifications 防御和军事工程用标准和规范
index of specifications and standards 规格与标准索引
Specifications and Standards for Foods 食品卫生法的食品和食品添加剂技术规范和法规
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