conventional workover rig

常见例句

双语例句

• In the light of the status of energy waste of conventional workover rigs, Model XXJ300/500 hydraulic energy-storing workover rig is developed.
  针对现有常规修井机存在的能量浪费现象，研制成节能型XXJ300／500液压蓄能修井机。
返回 conventional workover rig