A.10 B.15 C.20 D.25
A.庫列檢日常檢修 B.庫列檢專項檢修 C.客列檢站折檢查 D.車輛乘務(wù)組出庫作業(yè)
A.20 B.30 C.40 D.50
A.100km/h B.120km/h C.140km/h D.160km/h
A.0.4 B.0.6 C.1 D.2
A.65 B.75 C.85 D.95
A.1% B.2% C.3% D.4%