pulse motor

例句：

1. 1. The pulse motor is used to control the speed of the conveyor belt.
   脉冲马达用于控制输送带的速度。
2. 2.The pulse motor was designed to be quiet and efficient.
   脉冲马达设计得既安静又高效。
3. 3.The pulse motor powers the lights in the factory.
   脉冲马达为工厂的灯光提供动力。