“正反循环回转钻孔机”的概念、定义、翻译、参考文献-科学参考

单词	正反循环回转钻孔机
释义	正反循环回转钻孔机 Encyclopedia 工学桩工机械释 direct or reversecirculation rotary drill正反循环回转钻孔机依靠钻具回转运动切削地层成孔，以正循环和反循环方式排渣的潜水式钻孔机。
随便看	Ancient City Wall at Zhaoqing ancient clerical script ancient color ancient constitution ancient construction technology ancient cutting technology ancient cypress group in Qufu ancient cypress in Guang'an City Ancient Cypress in Stalagmite Mountain, Qionglai ancient dam of the Yellow River ancient dance words Ancient Delhi ancient DNA study ancient dramatic stage in Ladong Village, Liping County ancient drilling in China ancient eclipse observations in China ancient Egypt ancient Egyptian architecture ancient Egyptian costume Ancient Egyptian gardens Ancient Egyptian gold craft Ancient Egyptian Hieroglyphic ancient Egyptian law Ancient Egyptian tomb painting Ancient Egyptian tomb relief

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。