发布时间:2025-01-23 15:12:45
参考上图1是三工位负荷开关,2是带电指示器,3和4是电缆,5是接地开关,6是高压熔断器,7是电压互感器或者变压器,8是电流互感器,9是两工位负荷开关
昨发现我养的鸿运当头花头红色部分的底部烂掉了剪了下去这是正常现象吗
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