“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	lower-most stratosphere lower nilradical lower one-sided limit lower order lower outer density lower paraselenea lower parhelion lower plant lower Privalov operator lower process capability index lower pure value lower quartile lower radical lower radical class lower relaxation method lower Riemann integral Lower Saxony lower semi continuity lower semi-continuity lower semicontinuity lower semi continuous lower semi-continuous lower semicontinuous lower semicontinuous decomposition lower semicontinuous equivalence

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。