“开钻”的概念、定义、翻译、参考文献-科学参考

单词	开钻
释义	开钻 Encyclopedia 工学钻前工程释 spud in开钻下入导管或各层套管后，第一只钻头开始破岩形成井眼的井下作业。又称开始钻进。
随便看	chargé d' affaires Chari-Nile chariot Chariot cross-board chariot of the Warring States Period from Huaiyang Chariot Platform Chari River Charismatic charitable activity charitable auction charitable exhibition Charitable Granaries charitable opera performance charitable tax incentive charitable trust charitable trust/public trust Chariton Charitum Montes Charity charity bazaar charity culture charity donation of family business charity education Charity House for the Solitary Charity House for the Vulnerable

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。