stationary thrust collar

例句：

1. 1. The engineer useda stationary thrust collar to adjust theengine's speed.
   工程师使用一个固定式推力环来调整发动机的速度。
2. 2. Thenew design of the stationary thrust collarsignificantly improved the efficiency of the machine.
   新型的固定式推力环极大地提高了机器的效率。
3. 3. The stationary thrust collar was designedto prevent the engine from overheatingduring high-speed operation.
   固定式推力环的设计是为了在高速运行时防止发动机过热。