The design of the hydraulic driving system for hydraulic workover rig has adopted hydraulic driving to substitute hydrodynamic driving of traditional workover rig.
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.
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。
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