shaft drilling信息详情
竖井钻孔
shaft───vt.欺骗;苛待;n.竖井;通风井;(电梯的)升降机井;杆,柄
drilling───n.钻孔;训练,教练;演练;v.钻孔;训练(drill的ing形式)
diaphysis shaft───中间轴
drilling down───向地下钻;深度探讨
mandrel shaft───心轴
crowner drilling───冠钻
drilling operation───钻井作业
drilling hole───钻孔
drilling jobs───钻井作业
Theoretical analysis is used to analyze shaft drilling lining's vertical stability problem in floating and dropping phases, its stable equilibrium is proved.───通过理论分析的方法,深入研究了漂浮下沉阶段钻井井壁的竖向稳定性问题,证明了漂浮下沉阶段井壁的稳定平衡性。
May provide other drilling services, such as repair or dismantling of existing water well structure, elevator shaft drilling and hydro pole drilling.───可能会提供其他的钻井服务,如维修或拆除现有水井结构,电梯井钻井和水力极钻井。
Rescuers said they would resume drilling a separate shaft as a back-up plan in case of problems with the first one.───救援人员称,作为备用他们将会重新开钻另一口竖井,以防第一口竖井出现问题。
The mine shaft sinking with a mine shaft drilling is a reliable mine shaft construction method to pass through a deep and thick alluvium.───钻井法凿井是通过深厚冲积层最可靠的竖井施工方法。
Theoretical analysis is used to analyze shaft drilling lining's vertical stability problem in floating and dropping phases, its stable equilibrium is proved.
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