![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
京包客专线桥涵工程施工封锁范围()
A.呼和浩特东普速场-呼和浩特集包场上行,下行834km000m至838km000m
B.呼和浩特呼准场-台阁牧上行,下行495km300m至495km750m,01:50-04:30封锁唐呼线呼和浩特西场(含上行正线)846km750m-846km300m
C.呼和浩特东-呼和浩特(含上下行正线、7、8、9、10、11、12道)-呼和浩特站西场(含上下行正线) 880km800m至890km100m
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
B、呼和浩特呼准场-台阁牧上行,下行495km300m至495km750m,01:50-04:30封锁唐呼线呼和浩特西场(含上行正线)846km750m-846km300m
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)