“bent sub”的概念、定义、翻译、参考文献-科学参考

单词	bent sub
释义	bent sub Encyclopedia 工学定向井工具释 bent sub钻井弯接头上下两端螺纹轴线有一定夹角的配套工具。
随便看	portable steel bridge portable steel bridge pier portable surface contamination monitor portable transit instrument portable visibility lidar portable X-ray fluorimeter portable X/γ radiation monitoring meter portable γ-ray multi-channel spectrometer port-admittance matrix Portage Project porta hepatis port air pollution prevention and control portal portal area portal canal portal crane portal frame structure system portal hypertension portal lobule portal middleware portal search engine portal system portal vein portal veins of hyophysis Port Arthur

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。