?电压调节器接触螺钉

voltage regulator contact screw 电压调节器接触螺钉 current regulator contact screw 电流调节器接触螺钉 Contact Screw Stopper 接点螺丝固定螺丝 ..

?电压

voltage regulator contact bracket ==> 电压调整器接触点托架 voltage regulator contact screw ==> 电压 ..