rotational guide vane

例句：

1. 1.The rotating guide vane is essential for maintaining the proper alignment of the turbine blades.
   旋转导向叶片对于保持涡轮叶片的正确对齐至关重要。
2. 2.The design of this rotating guide vane has been optimized to reduce noise and improve efficiency.
   这种旋转导向叶片的设计已经优化，以减少噪音并提高效率。
3. 3.The rotating guide vane is responsible for guiding the flow of air through the turbine, which in turn powers the generator.
   旋转导向叶片负责引导空气通过涡轮，从而驱动发电机。