impeller impact breaker

例句：

1. 1. The impelleris responsible for mixing the ingredients in thefood processor.
   搅拌器负责在食品加工机中混合食材。
2. 2. The impeller isdesigned to rotate quickly and efficiently.
   搅拌器设计得能快速而有效地旋转。
3. 3. Theimpeller is made of stainless steel andhas a smooth surface.
   搅拌器由不锈钢制成，表面光滑。