钻孔偏斜、孔深、岩石硬度被公认为是影响钻探生产效率与成本的三大要素。
As we know, inclining drilling, the depth of drilling and rock hardness is three factors influencing drilling production efficiency and cost.
钻孔偏斜、孔深、岩石硬度被公认为是影响钻探生产效率与成本的三大要素。
As we know, inclining drilling, the depth of drilling and rock hardness is three factors influencing drilling production efficiency and cost.
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