“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	ontology of information science ontology of literature Ontology of Social Being Ontology of the Work of Art ontology presentation ontology query language ontology revision ontology stack structure of description language ontology system ontology Web language for services ontology Web language for services, OWL-S ontology wed language On-to-Ottawa Trek ontozone On Trial for My Country Onuora Nzekwu on-vehicle equipment On Water Clock On Water stain–like Brush Marks On Withering Plum Trees on writing important themes "On Xie Lingyun" from the Book of Song onychodonts onychomycosis On Young China

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。