题目内容
(请给出正确答案)
[单选题]
救援列车牵引故障列车运行时,运行限速()。
A.25km/h
B.30km/h
C.35km/h
D.40km/h
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A.25km/h
B.30km/h
C.35km/h
D.40km/h
A.25km/h;40km/h
B.30km/h;40km/h
C.35km/h;40km/h
D.25km/h;35km/h
A.80
B.120
C.140
D.160
A.2
B.4
C.6
D.8