conic reducer

例句：

1. 1. The cone reducerin the engine is responsible for reducing thespeed of the pistons.
   发动机中的圆锥形减速器负责降低活塞的速度。
2. 2. Thecone reducer in the transmission system helpsto smooth out the gear shifts.
   传动系统中的圆锥形减速器有助于平滑换挡。
3. 3. The cone reducer in the axle assembly reduces the force on thebearings and protects them from damage.
   轴组件中的圆锥形减速器减轻了轴承上的压力，并保护它们免受损害。