“mast/derrick”的概念、定义、翻译、参考文献-科学参考

单词	mast/derrick
释义	mast/derrick Encyclopedia 工学井架释 mast/derrick井架在钻井或修井过程中，用于放置天车，悬挂顶驱、游车、大钩等设备，存放钻杆、油管及抽油杆，以便进行起下钻具、钻进、下套管等作业的装置。
随便看	Jingji Jingjiang duck Jingjiang Flood Diversion Project Jingjiang River Levee Jingjiang school of painting Jingjiang Shi Jingji Bookstore (Changsha) Jingjie Site Jingji Huitong (A Thorough Understanding of Books) Jingji Lu Jing Jing Jing Jing Ling Chi (Book of Optical Principle) Jingjing Zhe E Jingjinji urban innovative agglomeration Jingjin Xincheng Jingji Road Jingjixuan Poetry and Prose by Ni Zan Jingjue Kingdom Jingju Studio's Poetry Anthology Jingju Temple Caves Jingkang Baishi Jingkang Incident Jing Ke Jingkou Jingkou Qu

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。