发布时间:2025-01-23 07:01:10
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,
三室两厅装修选用11个1pn的漏电保护器总开关应该用2p的空气开关吗
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