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【多选题】
目视检查线路有何要求？
A.
目视检查线路轨向、高低。
B.
脚跨站在钢轨一侧查看远处钢轨方向，俯身观察钢轨下颚纵向水平线的高低。
C.
对目视病害地段高低用10m弦绳隔一根枕木记录一次数据，方向用20m~40m弦绳隔一根枕木记录一次数据。
D.
记录在线路检修记录簿中“其他项目及问题描述”栏。
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