“钻具组合”的概念、定义、翻译、参考文献-科学参考

单词	钻具组合
释义	钻具组合 Encyclopedia 工学钻具组合释 hole assembly钻具组合为安全、高效钻井，下入到井眼中的若干种钻具组成的管柱串。理学钻进工艺释 drilling assembly钻具组合根据不同钻进方法或工艺需要，选配连接的孔内钻杆钻具的组合。
随便看	average grade of mine district average household size average house price index average income of migrant workers in rural areas average information average inventory average ionization energy loss average land rent average land use for residence per household average laser power Average Length of Stay,ALOS average life average life; mean life average life of fluorescence molecule average life time average lifetime average linkage average linkage clustering approach average local ionization energy average logarithmic energy decrement average loss average magnitude average maintenance time of equipment average metering mode average method

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。