rotating guide vane

例句：

1. 1.The rotating guide vane is used to control the flow of oil in the engine.
   旋转导向叶片用于控制发动机中油的流动。
2. 2.The rotating vane is responsible for maintaining the balance of the aircraft.
   旋转叶片负责保持飞机的平衡。
3. 3.The rotating blade vane is designed to reduce noise and improve efficiency.
   旋转叶片设计用来减少噪音和提高效率。