为避免该类事故的发生，采用新型的具有保护零线断线保护功能的断路器是非常有益的。
In order to avoid this kind of accident, the using of new circuit breaker with protection function of zero curve broken is extremely beneficial.
本文通过对三种不同接地保护系统工作原理的分析，指出实现零线和接地线应始终分开的正确方法。
It is the key point to judge whether the earthing protective system of an elevator can he approved. Present paper analyses the working principles of three diff...
本文通过对三种不同接地保护系统工作原理的分析，指出实现零线和接地线应始终分开的正确方法。
It is the key point to judge whether the earthing protective system of an elevator can he approved. Present paper analyses the working principles of three different...
本文通过对三种不同接地保护系统工作原理的分析，指出实现零线和接地线应始终分开的正确方法。
It is the key point to judge whether the earthing protective system of an elevator can he approved. Present paper analyses the working principles of three different kinds of earthing...
照明配电箱用薄钢板做成无骨架形体，主要部件有壳体、零线排、保护接地排、面板等。
The sheet steel for lighting distribution box is made into frameless shape, the main parts of which are shell, zero line bar, protective earth bar and panel etc.
母线排、零线排、保护接地排采用自行设计的绝缘支架安装，结构合理，互换性强。
Bus bar , zero line bar and protective earth bar adopt the self-designed insulation support, characterized by rational structure and better interchangeability;
母线排、零线排、保护接地排采用自行设计的绝缘支架安装，结构合理，互换性强。
Bus bar , zero line bar and protective earth bar adopt the self-designed insulation support, characterized by rational structure and better interchangeability;
应用推荐