built-up rotor

例句：

1. 1. Thenew engine has a built-up rotor that significantly improves performance.
   这款新发动机有一个增压转子，极大地提高了性能。
2. 2. Theturbo-rotor isresponsible for the high horsepower ofthe car.
   涡轮增压转子是这辆车高马力的原因。
3. 3. The supercharged rotorwas designed to enhance the vehicle'sacceleration.
   超增压转子被设计用来提高车辆的加速能力。