well-rig

 
['welr'?ɡ]     ['welr'?ɡ]    
  • 打井機器,鑿井機,打井機具

well-rig的用法和樣例:

例句

  1. This new-style design makes driving of workover rig stable and reliable, and easy in control and operation.
    這一新型設計使得液壓修井機的傳動(dòng)穩定可靠,操作控制簡(jiǎn)單方便。

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