1.A case study of a mine points out that layout of the drillings and the time space impacts the effect of the technology.
结合某矿突出实例，得知控制爆破和水力压裂的时空协同关系和钻孔的布置情况直接影响技术使用效果。
2.In 2011 at least three exploratory drillings are expected to go ahead.
据估计，2011年至少有三口勘探钻井开始施工。
3.Railway material in general. Normalized screws with drilled heads. Sizes and locations of drillings.
铁路通用器材。带钻孔头的标准螺钉。钻孔的尺寸和位置。
4.The cementing of oil- and gas drillings is of particular importance.
特别重要的是油气钻井的灌浆。
5.Note: For lugged through bolting with other drillings, consult factory.
注：对于其它螺栓孔形式的贯穿式螺栓法兰连接方式，请咨询工厂。
6.Small and short cavity allows for large diameter cross drillings in the manifolds.
小和短腔允许在大直径钻孔流形交叉。
7.Inquisition of Forecasting Dangerousness of Heading Face Outburst By Drillings and Coalbed Temperature Indices
用温度指标预测掘进工作面突出危险性的探讨
8.Well Logging Countermeasures for Unconventional Drillings
特殊钻井之测井对策
9.Investigations of the raw material in hard-coal-mining; treatment of exploratory drillings
无烟煤矿原料检验.勘探钻屑的处理
10.Analysis on the Factors Affecting the Pneumatic Removal of Drillings from Long Boreholein the Outburst of Coal Seam
突出煤层长钻孔风力排渣影响因素分析