“spud in”的概念、定义、翻译、参考文献-科学参考

单词	spud in
释义	spud in 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	rock paintings in Dengkou County rock paintings in the Baicha River basin rock paintings in the depopulated zone of northern Tibet rock permeability rock permeability coefficient rock permeability experiment rock physical and mechanical properties rock physical model experiment rock physical properties experiments rock-plant rock plants rock plasticity rock porgy rock porosity experiment rock proportion experiment rock pyrolysis geochemical logging rock quality designation rock relaxation rock rheological experiment rock rheological model rock rheology rockrose family rock salt rock salt structure rock sample superconducting magnetometer

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。