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[单选题]
列车通过速度不大于120km£¯h时,非高站台安全标线与站台边缘距离为()。
A.1000mm
B.1200mm
C.1500mm
D.1750mm
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.1000mm
B.1200mm
C.1500mm
D.1750mm
A.1437mm
B.1441mm
C.1450mm
D.1453mm
A.12km/h
B.20km/h
C.120km/h
D.10km/h
尖轨尖端轨距加宽,允许速度不大于120km/h的线路按不大于()的递减率递减至基本轨接头。
A.6‰
B.7‰
C.8‰
D.9‰