“retrievable tool string”的概念、定义、翻译、参考文献-科学参考

单词	retrievable tool string
释义	retrievable tool string Encyclopedia 工学套管钻井释 retrievable tool string可起下工具串组在套管钻井过程中，可以实现在套管柱内部反复起下的井下装置系统。
随便看	Grashoff number Grashof number grasping manipulation grasping of mathematical concepts grasp reflex Grass grass and crop rotation Grass and Forage Science grass animal balance grass anthracnose disease grass bacterial wilt grass-based livestock husbandry grass block grass braid forming machine grass carp grass carp bacterial gill-rot disease，Ctenopharyngodon idellus bacterial gill-rot grass carp culture grass cloth grass cultivar registration grass downy mildew grass dragon grass endophyte grass endophyte detection methods grass ergot disease Grasses

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。