保护接地和保护接零为什么不能混用?。
Why protectiveearthconnection and zeroconnection can't be mixed up?
在电气设备中正确地使用保护接地和保护接零，可避免触电事故的发生，保障人身财产安全。
We properly use the safeguard and public return circuit in electrical equipment and we can avoid the accident to get an electric shock and guarantee the property and personal safety.
根据JGJ 46 88施工现场临时用电安全技术规范，说明了施工现场保护接零的选用原则。
According to JGJ46 88 the safety technique codes of temporary using electricity in construction site the paper illustrates the choose principle of protective zero terminating in construction site.
现对低压配电系统接地和接零保护进行简要论述。
The paper discusses the low-voltage distribution system earthing and the neutral protection.
本文着重对工业供电系统电气设备的接地、接零及漏电保护的原理与安装方法等作了详尽的介绍，旨在确保用电安全，防止触电事故的发生。
This article goes into details on the principle and assemblage of earthing, zeroing and leakage prevention with the view of ensuring power supply safety and hindering electric shock accidents.
本文阐述的是，铜及其合金精密零件氢气保护扩散钎接焊工艺问题。
This paper describes hydrogen shield diffusion braze welding technology for precise parts of copper and compound metal.
本文阐述的是，铜及其合金精密零件氢气保护扩散钎接焊工艺问题。
This paper describes hydrogen shield diffusion braze welding technology for precise parts of copper and compound metal.
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