A .1760mm
B .1800mm
C .1828mm
D .1860mm
[单选题]PGM-48钢轨打磨列车的轮径是()。A .640mmB .740mmC .840mmD .940mm
[单选题]PGM-48钢轨打磨列车由()车厢组成。A .2节B .3节C .4节D .5节
[单选题]PGM-48钢轨打磨列车的砂轮直径为()。A .245mmB .254mmC .264mmD .280mm
[单选题]PGM-48钢轨打磨列车每遍平均打磨深度为()。A .0.1mmB .0.2mmC .0.3mmD .0.4mm
[单选题]PGM-48钢轨打磨列车最高自行速度是()。A .70km/hB .80km/hC .90km/hD .100km/h
[单选题]PGM-48钢轨打磨列车作业走行速度是()。A .1.6~20km/hB .1.6~24km/hC .1.6~28km/hD .1.6~30km/h
[单选题]PGM-48钢轨打磨列车的磨头数量为()。A .36个B .48个C .64个D .72个
[单选题]PGM-48钢轨打磨列车的最小运行曲线半径为()。A .100mB .110mC .120mD .150m
[单选题]PGM-48钢轨打磨列车的磨头与钢轨纵向夹角为()。A .1°B .2°C .3°D .4°
[单选题]PGM-48钢轨打磨列车最高连挂运行速度是()。A .80km/hB .90km/hC .100km/hD .120km/h