rotor disc

例句：

1. 1. The rotor disc is responsible for the rotation of the aircraft's propeller.
   转子盘负责飞机螺旋桨的旋转。
2. 2. The rotor disc was designed to improve efficiency and reduce noise.
   转子盘设计用于提高效率和减少噪音。
3. 3. The rotor disc is made of high-quality materials to ensure durability and longevity.
   转子盘由高质量的材料制成，以确保耐用性和持久性。