还介绍了在液压修井机和钻井泵维修过程的应用情况。
The bonding technique was applied in maintenance of hydraulic workover rig and drilling pumps too.
液压修井机液压传动系统的设计，是用液压传动代替了传统修井机的液力传动。
The design of the hydraulic driving system for hydraulic workover rig has adopted hydraulic driving to substitute hydrodynamic driving of traditional workover rig.
功率回收型液压修井机是一种节能机械，介绍了功率回收型液压修井机的工作原理。
Power-recovering hydraulic workover rig is an energy-saving machine, and the working theory of this rig was introduced.
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