发布时间:2025-01-20 22:02:08
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;
我想开个露天碰碰车游乐场大概10台车谁能告诉我需要多大场地和多少资金
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