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装有硅整流管脉冲控制系统和直流电机的车辆,以及装有逆变器控制系统和交流异步电机的车辆,原则上可用自身的电来进行常规制
Vehicles equipped with a silicon rectifier pulse control system and a DC motor, as well as vehicles equipped with an inverter control system and an AC induction motor, can in principle use their own electricity to carry out conventional control