When lightning strikes a direct- buried cable, the over-voltage produced on the cable is inevitable.

当雷击直埋通信电缆时，必然在电缆上产生过电压。

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When lightning strikes a direct- buried cable, the over-voltage produced on the cable is inevitable.

当雷击直埋通信电缆时，必然在电缆上产生过电压。

youdao