“downhole electrodrill”的概念、定义、翻译、参考文献-科学参考

单词	downhole electrodrill
释义	downhole electrodrill Encyclopedia 工学钻井新技术与装备释 downhole electrodrill井下电动钻具通过电缆进行井下供电及数据双向通讯，并利用井下电机驱动钻头破岩的钻井工具。
随便看	homotopy homotopy algorithm homotopy associative homotopy associative mapping homotopy associativity homotopy axiom homotopy boundary homotopy category homotopy chain homotopy characteristic homotopy class homotopy classification homotopy coherence homotopy coinverse homotopy-commutative homotopy-commutative diagram homotopy-commutative mapping homotopy constant homotopy continuation method homotopy covering property homotopy cylinder homotopy dimension homotopy epimorphism homotopy equivalence homotopy-equivalent

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。