ratchet clutch

例句：

1. 1. The engineer used a ratchet clutch to slow down the car's speed.
   工程师使用拉索离合器来减缓汽车的速度。
2. 2. The driver had to use a ratchet clutch to make the turn smoothly.
   司机不得不使用拉索离合器来平滑转弯。
3. 3. The car's performance was greatly improved by the new ratchet clutch system.
   新型的拉索离合器系统极大地提高了汽车的性能。