A .手动
B .自动
C .机械
D .气动
[单选题]XJ450修井机驱动桥有()。A .前二、后三、后四桥B .前一、后三、后四桥C .前一、前二、后三、后四桥D .后三、后四桥
[单选题]XJ450修井机前部车轮前束为()mm。A .0~1B .0~2C .0~3D .0~4
[单选题]XJ450修井机最小转弯半径为()m。A .10B .15C .20D .25
[单选题]XJ450修井机的大钩最大拉力是()kN。A .1000B .1100C .1200D .1300
[单选题]XJ450修井机钢丝绳直径是()mm。A .16B .26C .36D .46
[单选题]XJ450修井机发动机(3408)的进气门间隙为()mm。A .0.56B .0.66C .0.76D .0.86
[单选题]XJ450修井机气压低于()MPa时,不得启动车辆。A .0.35B .0.45C .0.55D .0.65
[单选题]XJ450修井机井架天车滑轮是()个。A .2B .3C .4D .5
[单选题]XJ450修井机井架高度(净空)是()m。A .20B .26C .32D .38
[单选题]XJ450修井机变速箱挡位是()。A .四正一倒B .五正一倒C .六正一倒D .七正一倒