speed control servo-motor

例句：

1. 1.The speed control servo-motor is responsible for controlling the speed of the vehicle.
   速度控制器负责控制车辆的速度。
2. 2. The servo-motor is used to rotate a gear by applying a voltage to its coils.
   伺服电机通过给其线圈施加电压来旋转齿轮。
3. 3. The servo-motor is an essential component in many industrial applications, such as robotics andautomation systems.
   伺服电机是许多工业应用中不可或缺的组件，如机器人和自动化系统。