coil transformator

例句：

1. 1. The coil transformer is used to convert AC power into DC power.
   线圈变换器用于将交流电转换为直流电。
2. 2. The coil transformer is essential for the operation of electric vehicles.
   线圈变换器对于电动汽车的运行至关重要。
3. 3. The coil transformer is designed to provide a stable and efficient power supply.
   线圈变换器被设计为提供稳定且高效的电源供应。