单项选择题
CRH380D动车组随车机械师进行制动切除时,申请下车作业在“会车侧”作业且能与邻线列车保持安全距离时邻线限速()
A.80km/h
B.120km/h
C.160km/h
D.180km/h
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单项选择题
A.80km/h
B.120km/h
C.160km/h
D.180km/h
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