rotating impeller

例句：

1. 1. The rotating impeller is responsible for the rotation of the machine.
   旋转叶轮负责机器的旋转。
2. 2.The rotating impeller is essential for the efficient operation of the machine.
   旋转叶轮对于机器的有效运行至关重要。
3. 3. The rotating impeller is designed to reduce noise and vibration during operation.
   旋转叶轮设计用于减少操作过程中的噪音和振动。