water-cooled rotor

例句：

1. 1.The new generator uses a water-cooled rotor to reduce noise and improve efficiency.
   新型发电机使用水冷转子以降低噪音并提高效率。
2. 2. The aircraft's engine is powered by a water-cooled rotor, which helps it run silently.
   飞机的引擎由水冷转子驱动，这有助于它安静地运行。
3. 3.The water-cooled rotor system is an essential component of the aircraft's cooling system.
   水冷转子系统是飞机冷却系统的必备组件。