单选题:某次旅客列车每日开行一次,车底周转4天,每个车底有硬卧12辆,软卧4辆,求该次列车需要运用硬卧、软卧车各多少辆。( 题目分类:中级运输经济(铁路) 题目类型:单选题 查看权限:VIP 题目内容: 某次旅客列车每日开行一次,车底周转4天,每个车底有硬卧12辆,软卧4辆,求该次列车需要运用硬卧、软卧车各多少辆。( ) A.12,4 B.24,8 C.48,16 D.96,32 参考答案: 答案解析:
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