题目内容
(请给出正确答案)
[单选题]
高速铁路运营速度为250km/h及以下铁路,如确需采取V形天窗,V形天窗时段邻线限速不超过()。
A.60km/h
B.80km/h
C.120km/h
D.160km/h
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A.60km/h
B.80km/h
C.120km/h
D.160km/h
A.160~200km/h
B.200~250km/h
C.250~300km/h
D.300~350km/h
A.1min
B.10min
C.100min
D.1000min