“钻具”的概念、定义、翻译、参考文献-科学参考

单词	钻具
释义	钻具 Encyclopedia 理学孔内钻具释 drilling tool钻具钻探施工时，在钻孔内的整根钻探管材柱及其接头的总称。
随便看	Set of Identifications, Measurements, and Bibliography for Astronomical Data set of identifications,measurements and bibliography for astronomical data set of imprimitivity set of infinite type set of information set of integers set of less power set of local coordinate cards set of local frames set of lower bounds set of mappings set of matrices set of measure zero set of multiples set of multiplicity set of natural numbers set of non-uniqueness set of nowhere dense set of numbers set of objectives set of objects set of observations set of pairs set of points set of poles

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。