发布时间:2025-01-20 22:05:26
两个双开开关,开关A、L3动触头接火线,另一开关B、L3动触头接零,两根联络线任意接开关内其余端子。参照下图接线;
你好我想请教您我想在家开一个家庭生产洗衣液的工厂需要什么手续设备
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