“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	Ghana dance Ghana Dance Ensemble Ghana Experimental Theatre Ghana-Guinea-Mali Union Ghanaian Literature Ghanaians Ghanaian Times Ghana National Film and Television Institute Ghana national theatre movement Ghana Studies Association Ghanzi District Ghassan Kanafani ghatam ghatpot Ghawar Oil Field Ghazaleh Alizadeh Ghazi Ahmed Ghaznavid Dynasty GHC GHD G. H. Darwin G. H. Darwin (1845—1912) gheddic acid Ghee Fragrance Ghent Altarpiece

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。