protective earth meaning in Chinese

安全接地线
保持接地
保护接地
保护用地线, 保安接地

Protective earthing specification of concrete vessels
水泥船安全接地技术条件
Underground protective earthing net
井下保护接地网
Setting - up of protective earth resistance for underground mobile substation
井下移动变电站保护接地电阻的设置
In connection with the construction of lightning protective earthing system in residential area , the application of non - metal earthing module was introduced and the experience learned in practice was summarized as well
摘要结合居民小区防雷接地系统工程建设，介绍了非金属接地模块在工程中的应用，总结了实际经验。