“塔式钻具”的概念、定义、翻译、参考文献-科学参考

单词	塔式钻具
释义	塔式钻具 Encyclopedia 工学钻井装备释 tower assembly塔式钻具由下大上小的几段不同尺寸钻铤组成的钻具组合。利用近钻头端大尺寸钻铤的钟摆力进行纠斜。
随便看	irregular birational transformation irregular block irregular bone irregular boundary point irregular chip irregular close packing irregular cluster irregular cluster of galaxies irregular coagulation irregular continued fraction irregular cusp irregular decomposition irregular determinant irregular distribution irregular dominance irregular eigenvalue problem irregular flower irregular galaxy irregular granular activated carbon irregular grid model irregularity irregularity index irregularity number irregularity of an algebraic surface irregularly intermittent pulse

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。