“top drive drilling equipment”的概念、定义、翻译、参考文献-科学参考

单词	top drive drilling equipment
释义	top drive drilling equipment Encyclopedia 工学钻井装备释 top drive drilling equipment顶部驱动钻井装置动力从井架的顶部直接驱动钻具进行旋转钻进，并能完成多种钻井操作的钻井装置。又称顶驱或顶驱装置。
随便看	elimination of group elimination of image field curvature elimination of indeterminacy elimination of pathogens through purgation and diuresis elimination of quantifier elimination of quantifiers elimination of the essential differences between industry and agriculture elimination of the essential differences between town and countryside elimination of unknowns elimination order elimination polymerization elimination process elimination [reaction] elimination reaction elimination system of backward products, equipment and techniques elimination theorem elimination theory elimination with pivoting eliminative induction eliminator E-limit E-limitable sequence Elina Avraamovna Bystritskaya Elina Brotherus El Inca Garcilaso de la Vega

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