extra-high voltage (ehv)

例句：

1. 1.The power station is designed to handle extra-high voltage transmission.
   该电站设计用于处理特高电压传输。
2. 2.The new transformer was built to withstand extra-high voltages.
   新变压器被建造来承受特高电压。
3. 3. The high voltage cables are used in submarine cable systems.
   高压电缆用于海底电缆系统。