“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	primary kinetic isotope effect (PKIE) primary Kodaira surface primary land development primary leaf primary lens primary-level judicial establishment primary lining stress primary literature primary lithium battery primary lithium sulfur battery primary liver cancer primary loop system primary lower extremity deep vein valve insufficiency primary lymphedema primary lysosome primary magma primary malignant bone tumors primary malnutrition primary market primary market of mining rights primary maximum primary measurement method in chemistry primary measurement standard primary mediastinal tumor primary meristem

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。