“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。
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