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当前学科:汽车修理工考试
题目:
单选
由定子带有很多个径向活塞的转子和配油轴等组成的液压泵称为()
A . A、多级式液压泵
B . B、往复式液压泵
C . C、活塞式液压泵
D . D、转子式液压泵
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