flywheel ring gear

例句：

1. 1. The flywheel is the maincomponent of the engine's power system.
   飞轮是发动机动力系统的主要部件。
2. 2. Thegearbox is responsible for converting theengine's rotation into gears thatcan be driven by vehicles.
   齿轮箱负责将发动机的旋转转换为可以由车辆驱动的齿轮。
3. 3. The drivetrain consists of theflywheel, the gearbox, andthe transmission.
   驱动系统由飞轮、齿轮箱和变速器组成。