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磁放大励磁的WK-4挖掘机原设计的整流电源见图1。该电源作为所有主传动电动机励磁、开斗机构电动机供电以及直流操作电
Magnetizing excitation WK-4 excavator original design of the rectifier power supply shown in Figure 1. The power supply as all the main drive motor excitation, bucket motor power supply agencies and DC operating power