well-rig

 
['welr'ɪɡ]     ['welr'ɪɡ]    
  • 打井机器,凿井机,打井机具

well-rig的用法和样例:

例句

  1. This new-style design makes driving of workover rig stable and reliable, and easy in control and operation.
    这一新型设计使得液压修井机的传动稳定可靠,操作控制简单方便。

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