“shaft boring”的概念、定义、翻译、参考文献-科学参考

单词	shaft boring
释义	shaft boring Encyclopedia 工学特殊凿井法释 shaft boring矿山钻井法用钻井机钻凿竖井井筒的特殊凿井法。在地面采用大直径钻井机向地层钻进竖井，以洗井液护壁并排渣，悬浮下沉预制井壁作为永久支护，实现人员不下井的机械化凿井方法。
随便看	ultramicro Chinese medicinal powders ultramicrocoacervation ultramicroconcentration ultra microcrystal ultramicrodetermination ultramicroelectrode ultramicrometer ultramicropalaeontology ultra microscope ultra-microscope ultramicroscope ultramicroscopic ultramicroscopic structure ultramicroscopy ultra-microstructure ultramicrotome ultramicrotomy ultramicrowave ultra-mylonite ultra-Neptunian planet ultranet ultraparabolic ultraparabolic differential equation ultraparabolic equation ultraparallel lines

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。