发布时间:2025-01-23 17:33:54
如果灯头的两根线测量电压是220V,灯泡不亮就是灯泡损坏,测量灯头电压用两根线一起测量,不能对地吃测量一根线,如果零线不同灯泡也不会亮
2020年南京十大热门楼盘排名 南京热门楼盘小区推荐 南京哪个楼盘最火爆
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