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【单选题】
160 km/h≥υmax＞120km/h的线路，轨端或轨顶面剥落掉块长度超过15mm且深度超过( )时判为轻伤。
A.
1mm
B.
3mm
C.
5mm
D.
7mm
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】下列属于钢轨轨端或轨顶面剥落掉块轻伤标准的是（）。
A.
轨端或轨顶面剥落掉块长度超过30mm且深度超过4mm
B.
轨端或轨顶面剥落掉块长度超过30mm且深度超过8 mm
C.
轨端或轨顶面剥落掉块长度超过15mm且深度超过8 mm
D.
轨端或轨顶面剥落掉块长度超过15mm且深度超过4 mm
【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