未分类 · 2025年11月21日

In the process of railway construction, Zhan Tianyou invented （）. A.the herringbone climbing railroad spreading line B.high speed railroad technology C.double-machine traction

In the process of railway construction, Zhan Tianyou invented （）. A.the herringbone climbing railroad spreading line B.high speed railroad technology C.double-machine traction

正确答案：AC

标签：大学英语（一）（商丘工学院）章节测试答案

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