站台上堆放货物,距站台边缘不得少于( ),不足上述规定距离时,不得进行调车作业。A.1m B.1.5m C.2m D.2.5m

作者: tihaiku 人气: - 评论: 0
问题 站台上堆放货物,距站台边缘不得少于( ),不足上述规定距离时,不得进行调车作业。
选项 A.1m B.1.5m C.2m D.2.5m
答案 A
解析

相关内容:台上,堆放,货物,站台,边缘,规定,距离,作业,B.1.5m,D.2.5m

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