rotor block

例句：

1. 1. The newmodel aircraft has a more efficient rotorblock design.
   新型飞机的转子块设计更加高效。
2. 2. The engineers had to replacethe old rotor block with a newone.
   工程师们不得不用一个新的转子块替换旧的。
3. 3. The rotor block iscrucial for the aircraft's stability andperformance.
   转子块对于飞机的稳定性和性能至关重要。