发布时间:2025-02-02 19:27:16
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,
双卫一厨主卫和厨房隔得有13米的样子次卫和厨房隔得有3米的样子应该怎么样安装热水器呢
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