barring motor

例句：

1. 1. The carhas a barring motor that can beused to start the engine.
   这辆车有一个挡板电机，可以用来启动发动机。
2. 2. The transmissionis a crucial part of the car's engine, and it needs to bechecked regularly.
   变速器是汽车引擎的关键部分，需要定期检查。
3. 3. The gearbox is responsiblefor converting the engine's powerinto the wheels' rotational motion.
   齿轮箱负责将发动机的动力转换为车轮的旋转运动。