发布时间:2025-01-23 06:58:50
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,
后天就要去九喆装装饰公司面试了 很紧张我是临时改做装饰的什么都不懂的 没多少把握啊 能不能教我流程啊
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