arc extinguish device

例句：

1. 1. The arc extinguish device was designed to quickly cut off the power supply to the fire.
   弧形灭火装置被设计用来迅速切断电源以扑灭火灾。
2. 2. The arc welder is used for joining metal parts together using an electric arc.
   弧焊机用于使用电弧将金属部件连接在一起。
3. 3. The arc furnace is a large chamber where molten metal is heated and transformed into useful alloys.
   弧炉是一个大型腔室，其中熔融金属被加热并转化为有用的合金。