“领眼钻头”的概念、定义、翻译、参考文献-科学参考

单词	领眼钻头
释义	领眼钻头 Encyclopedia 工学套管钻井释 pilot bit领眼钻头套管钻井破岩的主要工具。
随便看	oriental pratincole oriental river prawn oriental river prawn seed culture oriental serotine oriental sillago oriental sole Oriental Song and Dance Ensemble Oriental sports thought oriental style oriental tea thrips oriental tobacco Oriental Town oriental waterplantain rhizome oriental weatherfish oriental white oak orientation orientational coring orientational degree of freedom orientational disorder orientational order orientation and levelling orientation and mobility orientation angle orientation behavior of livestock orientation birefringence

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。