![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
当积水面淹到轨底但未到达轨面时,列车限速()通过积水段,应谨慎驾驶,尽量以惰行方式通过
A.5km/h
B.10km/h
C.20km/h
D.25km/h
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
D、25km/h
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.5km/h
B.10km/h
C.20km/h
D.25km/h
D、25km/h
A.当积水浸到轨底时,限速25km/h
B.当积水浸到轨底时,限速20km/h
C.当积水浸到轨腰时,限速10km/h
D.当积水浸到轨腰时,限速15km/h
E.当积水漫过轨面时,原则上不准列车通过;若必须通过时,须限速5km/h
F.当积水漫过轨面时,原则上不准列车通过;若必须通过时,须限速3km/h
A.45KM/H
B.25KM/H
C.15KM/H
D.35KM/H
A.45KM/H
B.25KM/H
C.15KM/H
D.5KM/H
当线路积水面高于轨面()时,CRH1A型动车组禁止升弓供电。
A.100mm
B.80mm
C.65mm
D.60mm