封闭式低压开关 meaning in English
enclosed low voltage switch
Examples
- Enclosed low - voltage switchgear and controlgear assemblies - part 1 : typetested and partially typetested assemblies ; technical report : guide for testing under conditions of arcing due to an internal fault iec 61641 : 1996
封闭式低压开关和控制装置.第1部分:型式试验和部分型