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当前学科:电动装卸机械修理工初级
题目:
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自卸车上广泛采用的多片钢板弹簧悬架,它既有缓冲、减振的功能,又起着()作用,担负起传力和导向的任务。
A . A、导向
B . B、共振
C . C、平衡
D . D、减震
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