workover rig service oil well的意思|示意

释义油井修井作业 ... well workover 修井 workover rig service oil well 释义油井修井作业 ; 油井修井作业 Well workover technology 修井工艺 ...

油井修井作业 Series self moving workover rig 自走式修井机 workover rig service oil well 油井修井作业 ; 释义油井修井作业 Design of hydraulic workover rig 液压修井机液压传动系统的设计 ..