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[单选题]
任一列车载客时,无论推进救援还是牵引救援,列车限速()km£¯h。
A.40km/h
B.30km/h
C.25km/h
D.5km/h
查看答案
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A.40km/h
B.30km/h
C.25km/h
D.5km/h
A.25km/h;40km/h
B.30km/h;40km/h
C.35km/h;40km/h
D.25km/h;35km/h
A.列车发生故障,进行处理后仍不能牵引全列车维持运行时
B.制动系统发生故障致使全列车不能缓解时
C.电动列车发生火灾处理后无法运行时
D.因列车故障无法在前部操纵列车时