“workover derrick”的概念、定义、翻译、参考文献-科学参考

单词	workover derrick
释义	workover derrick Encyclopedia 工学修井井架释 workover derrick修井井架用于安放天车、游车等吊升系统设备和工具，并用以起下和存放钻具的钢架结构。
随便看	computable number computable numeration computable operator computable ordinal computable permutation computable real number computable relation computable ring computably enumerable degree computably enumerable language computably enumerable set computably enumerable Turing degree computably isomorphic computalk computation computational computational acoustics computational advertising computational aerodynamics computational aeroealsticity computational algebra computational algorithm computational and experimental econophysics computational astrophysics computational basis

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。