【单选题】
遇天气恶劣,信号机显示距离不足___时,司机或车站值班员须立即报告列车调度员,列车调度员应及时发布调度命令,改按天气恶劣难以辨认信号的办法行车。
A. 100m
B. 150m
C. 200m
D. 250m
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答案
C
解析
暂无解析
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