overhead earth wire

例句：

1. 1. The overhead wires are usedto transmit electricity from the substation tothe distribution network.
   架空电线用于将电力从变电站传输到配电网络。
2. 2. The overhead wires were damaged during the storm and hadto be replaced.
   暴风雨期间，架空电线受损，需要更换。
3. 3.The overhead wires are essentialfor maintaining the electrical grid stability.
   架空电线对于维护电网稳定性至关重要。