Cascade fuse in normal operation, melting molten silk fiber tube with a tight formed after the position.

跌落式熔断器在正常运行时，熔丝管借助熔丝张紧后形成闭合位置。

youdao

Cascade fuse in normal operation, melting molten silk fiber tube with a tight formed after the position.

跌落式熔断器在正常运行时，熔丝管借助熔丝张紧后形成闭合位置。

youdao