“矿山钻井法”的概念、定义、翻译、参考文献-科学参考

单词	矿山钻井法
释义	矿山钻井法 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	directed acyclic graph directed acyclic graph, DAG directed acyclic graphical model directed angle directed arc directed assembly directed beam directed-beam directed broadcast address directed circuit directed closed path directed complete graph directed complete partial order directed complete partial order, DCPO directed convex polyomino directed cycle directed design directed diffusion directed distance directed downward set directed ear directed edge directed-edge sequence directed energy deposition directed evolution

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。