鐵路線路工考題精選章節(jié)練習(xí)(2020.03.20)

A.24.96m短軌
B.24.92m短軌
C.24.88m短軌
D.24.84m短軌

A.5km/h
B.10km/h
C.15km/h
D.20km/h

A.60mm
B.65mm
C.70mm
D.75mm

A.4200mm
B.4400mm
C.4800mm
D.5000mm

A.4m
B.4.5m
C.5m
D.6m