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【多选题】
禁止溜放作业的线路有（）。
A.
超过6‰坡度的线路（为溜放调车而设的驼峰和牵出线除外）
B.
停有正在进行技术检查、修理、装卸作业车辆及无人看守道口的线路
C.
中间站正线、到发线及与其衔接而未设隔开设备的线路
D.
乘坐旅客的车辆及停有该车辆的线路
题目标签：线路
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Subways are underground trains, which usually operate 24 hours a day. They are found in larger cities and usually run between the suburbs and the downtown area. Maps and schedules are available from t...
A.
within downtown areas
B.
away from city centers
C.
in or outside big modern cities
D.
between suburbs and city centers