1) the automobile frame department
车架作业部
2) aerial lift vehicle
高架作业车
3) downhole derricks
作业井架
1.
The study of the ultimate load capacity for downhole derricks;
作业井架极限承载能力研究
2.
In oilfield, downhole derricks are the main parts that bear the loads in the downhole operation hoist system, mechanical properties of the downhole derricks affect directly the downhole operation work.
在油田大修的各种施工中,作业井架是主要的承力构件,井架的力学性能对井下各种施工作业产生直接影响。
4) panel work
构架作业
5) car-body of operation car
作业车车体
6) workover crown block
作业天车
补充资料：兵棋作业(见想定作业)
兵棋作业(见想定作业)
war gaming exercise
bingqi zuoye兵棋作业(war ga而ng exercise)见想定作业。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条