stator contactor

例句：

1. 1.The main bearing contactor is responsible for monitoring the temperature of the motor.
   主轴承接触器负责监测电机的温度。
2. 2. The main bearing contactor has to be replaced regularly to ensure smooth operation.
   主轴承接触器需要定期更换，以保证机器的正常运行。
3. 3. During maintenance, the technicians need to check the condition of the main bearing contactor.
   在维护过程中，技术人员需要检查主轴承接触器的状况。