单项选择题
A.10B.30C.20D.40
A.停放制动B.比例制动C.除冰制动D.备用制动
A.80℃≤XB.184℃≤XC.160℃≤XD.100℃≤X
A.250km/hB.160km/hC.200km/hD.120km/h
A.200km/hB.250km/hC.160km/hD.120km/h
A.前方站B.后方站C.始发站D.终点站
A.X3B.X1C.X5D.X7
A.[61-S02]B.[44-F01]C.[44-F02]D.[33-F03]
A.车厢两侧B.接触网腕臂C.车厢一侧D.车门处
A.IGBTB.ACUC.CCU-DD.BCU
A.限速80km/hB.限速120km/hC.扣停邻线D.限速140km/h