“顶部驱动钻井装置”的概念、定义、翻译、参考文献-科学参考

单词	顶部驱动钻井装置
释义	顶部驱动钻井装置 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	elliptic comet elliptic compass elliptic complex elliptic conchoid elliptic conductor potential elliptic cone elliptic cone point elliptic coordinate elliptic coordinate system elliptic cosine elliptic cotangent elliptic curve elliptic curve cipher elliptic curve cryptanalysis elliptic curve cryptographic algorithm elliptic curve cryptography elliptic curve cryptosystem elliptic curve discrete logarithm elliptic curve factorization method elliptic curve in Weierstrass form elliptic curve primality proving elliptic curves as one dimensional Abelian varieties elliptic curves as one-dimensional Abelian varieties elliptic curve signature elliptic curves over algebraically non closed fields

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。