blower impeller

例句：

1. 1. The engineer designed a new baffle for the blower impeller to improve efficiency.
   工程师为鼓风机叶轮设计了一个新的叶片，以提高效率。
2. 2.The baffle was made of high-quality materials to ensure long service life of the blower impeller.
   该叶片由高质量的材料制成，以确保鼓风机叶轮的长期使用寿命。
3. 3. The design of the baffle is crucial to the performance of the blower impeller.
   叶片的设计对鼓风机叶轮的性能至关重要。