从钢轨的断面形状上分为哪些？（）_精华吧

从钢轨的断面形状上分为哪些？（）

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从钢轨的断面形状上分为哪些？（）

A.弓形钢轨

B.槽形钢轨

C.平底钢轨

D.双头钢轨

正确答案：槽形钢轨；平底钢轨；双头钢轨

Tag：城市轨道交通行车组织钢轨弓形时间：2024-01-03 15:20:49

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