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当前学科:电力机车司机高级技师
题目:
单选
车体底架是车体的基础,主要用来安设车体内各种设备,承受并传递()。
A . A、纵向、垂向、横向力;
B . B、纵向、垂向、离心力
C . C、纵向、垂向、向心力;
D . D、牵引力
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