actuator drive mechanism
Asymmetry Drive Mechanism
ball-screw drive mechanism
cable and drum drive mechanism
control element drive mechanism
control rod drive mechanism
控制棒驱动机构
操纵杆驱动机构
驱动机构
控制棒传动机构
control rod drive mechanism coil
control rod drive mechanism cooling shroud
control rod drive mechanism nozzle leakage monitoring system
control rod drive mechanism protective cover
control rod hydraulic drive mechanism
control-rod drive mechanism
Current drive mechanism