speed-up capacitor

例句：

1. 1.The new speed-up capacitor has greatly improved the efficiency of our electric motor.
   新型的加速电容器大大提高了我们电动机的效率。
2. 2. The engineer used a speed-up capacitor to quickly charge the batteries.
   工程师使用了一个加速电容器来快速给电池充电。
3. 3. The speed-up capacitor is an essential component in many electronic devices.
   加速电容器是许多电子设备中必不可少的组件。