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單項(xiàng)選擇題

CRH2A重聯(lián)動(dòng)車組牽引剩余3/8，限速（）Km/h

A.救援
B.100
C.150
D.170

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單項(xiàng)選擇題

CRH2A單列動(dòng)車組牽引剩余1/4，限速（）Km/h

A.100
B.170
C.200
D.220

單項(xiàng)選擇題

CRH2A動(dòng)車組橫向止擋損壞或缺失限速（）Km/h

A.10
B.20
C.30
D.60