The overcurrent relay _____ the motor contactor when the motor exceeds its rated current.A

职业资格 已帮助 人

The overcurrent relay _____ the motor contactor when the motor exceeds its rated current.

A.connects

B.trips

C.fouls

D.destructs

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。