配电箱，开关箱有必要履行“一机”“一闸”“一漏电”，电源进线端制止选用插头和插座做活动衔接。
The distribution box, switch box is necessary to perform a "machine" "gate" "leakage", power line end stop using the plug and socket connection to do activities.
youdao
船上有多少个冷藏箱电源插头？
How many reefer plugs has vessel?
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模块下移
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