发布时间:2025-02-02 19:14:31
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,
大晴天家里有地暖是顶层发现次卧室屋顶墙角潮湿湿湿的但楼顶很干澡是怎么回事怎么解决处理呢
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