“井架”的概念、定义、翻译、参考文献-科学参考

单词	井架
释义	井架 Encyclopedia 工学竖井提升释 headframe井架位于竖井井口附近或斜井井口前方，安装有提升机天轮、箕斗卸载设备和过卷保护设备的高架矿山构筑物。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	rules and regulation of road transportation rules and regulations in railway traffic and operation Rules and Regulations on Travel Agencies rules extraction from neural networks Rules for China's Neutrality in the War Rules for confession by the Emperor of the Liang dynasty rules for construction of towns in recovery areas rules for description Rules for filing and management of official electronic mail rules for hanging instruments Rules for Libraries Rules for popular libraries rules for students Rules for the Administrative Licensing for Press and Publication by the State Administration of Press,Publication,Radio,Film and Television (the National Copyright Administration) rules for the exonerated Rules for the Implementation of Archives Law of the People's Republic of China Rules for the Implementation of Regulation on Plant Quarantine （for Agriculture） Rules for the Implementation of the Mineral Resources Law of the People's Republic of China rules for the preparation of polygraph questions Rules for the Records Management of Museum Exhibition in Beijing Municipality on Museums（Trial） Rules for Traditional Operas Rules of Academic Committee in Universities Rules of City Defense rules of competitive sports rules of differentiation and integration for functions of Grassmann variables

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。