SDDLJN(2022.06)

第68题：运行中的电缆常出现高阻接地故障，当缺乏探测仪器时，一般先将高阻故障烧穿变为低阻故障，以利于用电桥法寻找电缆的故障点。

发布于 2021-02-17 21:13:38

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宇轩 2023-02-17

想在你的脸上扮演一只啄木鸟?

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