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[单选题]
CR400AF系列动车组发生轴温预警级(1级)(2001~2008)故障,若发现轴箱点温超标但可视范围内无异常未伴随其它组合故障,进行人工滚动试验,如无异常,随车机械师通知司机限速()km/h维持运行,请求前方站救援。
A.40
B.80
C.120
查看答案
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A.40
B.80
C.120
A.120
B.160
C.200
A.120
B.160
C.200
A.120
B.160
C.200
A.120
B.140
C.200
A.40
B.80
C.120
A.120
B.160
C.200
A.120
B.140
C.200
A.20
B.40
C.80