“修井井架”的概念、定义、翻译、参考文献-科学参考

单词	修井井架
释义	修井井架 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	large number hypothesis large off-axis angle launch large optical cavity laser large optical cavity quantum well laser diode large optical/infrared telescopes large outburst large-particle method large polaron large prime large print book large public relations activities large pulse large radius leading edge blade Large Residential Community larger group large ring large ring; macrocycle large round bale larger than larger topology larger yellow croaker noise-scaring lift net fishing large sample large sample analysis large sample problem large sample statistics

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。