中英释义：
双语例句
哈利合上开关,接通电机.
Harry threw the switch and cut in the motor.
请打开电动机接线盒盖盖上盖子在主配电板上合上开关并启动电动机？
Please open the cover of junction box on the motor could you switch on and start the motor on the MSB after close the cover?
重点词汇
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合上
connection; connecting; switching; piece on
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开关
switch; on-off; circuit breaker; power switch; on-off switch; disjunctor; switch on; switch off; turn on; turn off