发布时间:2025-02-02 19:28:38
应该选用双投的的转换开关,它的动触点接线端子接用电输出,两边的静触点分别接发电机输出和市电,
现在是清水房厨房地面与客厅地面的高度差是4cm厨房里下水管与我设计安装洗菜盆的距离有25米怎么办
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