发布时间:2025-02-07 01:42:55
正确接法:-、+、-、+,中间的-与+ 接在一起。就是“地”,另外,-是-12v,+是+12v。当然看成0,24v也行。
居家装修的电水管路有没有人是铺在天花或墙上的有没人在家里装消防喷头啊
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