固有安全 meaning in Chinese

inherent safety

Intriniscally safe power supplies for use in coal mines - specification for d . c . power supplies
煤矿用固有安全电源.第1部分:直流电源规范
Intrinsically safe power supplies for use in coal mines - specification for a . c . power supplies
煤矿用固有安全电源.第2部分:交流电源规范
Wiring practices for hazardous classified locations - instrumentation - part i : intrinsic safety
危险场所的布线实施.工具.第1部分:固有安全
Intrinsically safe power supplies for use in coal mines - specification for rechargeable battery units
煤矿用固有安全电源.第3部分:第3部分:可反复充电蓄电池组规范