sine-wave current

例句：

1. 1. The power grid is designed to handle sine-wave currents.
   电网设计用来处理正弦波电流。
2. 2.The circuit was designed to handle a sine-wave current of 50 Amps.
   电路被设计来处理50安培的正弦波电流。
3. 3. The generator produces a sine-wave current that powers the city's lights and water systems.
   发电机产生正弦波电流，为城市的灯光和水系统供电。