电机每月均应有专业人士检修，确认无安全隐患后方可使用。

Please overhaul the motor by professional & technical people to ensure there is no potential safety hazard rear to use.

youdao

电机每月均应有专业人士检修，确认无安全隐患后方可使用。

Please overhaul the motor by professional & technical people to ensure there is no potential safety hazard rear to use.

youdao