试题与答案

()是车轮轮辋表面同钢轨接触并在轮面上滚动的部位。 A.轮辋 B.轮缘 C.

题型:单项选择题

题目:

()是车轮轮辋表面同钢轨接触并在轮面上滚动的部位。

A.轮辋

B.轮缘

C.踏面

D.轮毂

答案:

参考答案:C

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