“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	discriminant of an algebraic equation discriminant of an elliptic curve discriminant of an ideal discriminant of a number field discriminant of a polynomial discriminant of a polynomial in one unknown discriminant of a quadratic curve discriminant of a quadratic equation discriminant of a quadratic equation in one unknown discriminant of a quadratic form discriminant of a simple algebra discriminant of a simple ring discriminant rule discriminant set discriminant subset discriminant surface discriminant tensor discriminant theorem discriminant validity discriminate intensively discriminate the void and the real discriminating discriminating completeness discriminating order discrimination

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。