A .286
B .354
C .364.6
D .387
[单选题]XJ-40修井机的功率是()kW。A .178B .188C .198D .208
[单选题]XJ450修井机发动机的额定功率是()kW/r/min。A .354/2100B .254/2100C .454/2100D .554/2100
[单选题]XJ80-1修井机的井架高度为()m。A .29.7B .30.2C .31.7D .27.8
[单选题]XJ-80修井机的井架负荷为()kN。A .1320B .1230C .1023D .1032
[单选题]XJ-80修井机的大钩最大拉力是()kN。A .1521B .2105C .1125D .1215
[单选题]XJ-80修井机的滚筒快绳最大拉力是()kN。A .130B .140C .150D .160
[单选题]XJ-80修井机移运时的宽度为()m。A .2.88B .3.56C .3.08D .3.65
[单选题]XJ-80修井机移运时的高度为()m。A .3.7B .3.2C .5.3D .4.3
[单选题]XJ-80修井机移运时的长度为()m。A .17.85B .18.85C .19.85D .20.85
[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