constant-speed propeller

例句：

1. 1.The constant-speed propeller is crucial for the aircraft's stability.
   恒定速度推进器对飞机的稳定性至关重要。
2. 2. The constant-speed propeller reduces the noise of the engine.
   恒定速度推进器减少了发动机的噪音。
3. 3.The constant-speed propeller is used in various types of vehicles.
   恒定速度推进器被用于各种类型的车辆中。