drillings
英
美
网络 钻孔碎屑; 钻屑(试样用); 钻粉; 钻悄; 钻屑
双语例句
- 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。 - 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 - From 1998, the three day camping comprehensive drillings had been carried out in the graduates in order to examine the physical fitness level and police techniques and skills of the students in Zhejiang College of Public Security.
我校于1998年开始对毕业班学生进行为期三天的野营综合演练，全面检验我校学生的身体素质和警察技能。 - A discussion on designing the orientator used in inclined and vertical drillings
斜直钻孔两用定向仪设计探讨 - On basis of observations, investigations, core drillings and chemical tests of the engineering case, the article makes detailed analysis on the mechanisms and processes of the alkali-aggregate reactions in concrete.
通过对实际工程的观测、调查、钻探取样及化验分析，详细剖析了混凝土碱-骨料反应的机理和过程。 - Inquiring into the Index of Drillings Volume for Outburst Prediction
突出预测钻屑量指标的探讨 - Determination of Critical Value of Gas Desorption Index of Drillings,Δ h 2, in Laboratory
实验室确定钻屑解吸指标Δh2临界值方法的研究 - A study of Ra-Rn equilibrium displacement effects in drillings
钻进过程的Ra-Rn平衡位移效应 - Deep zone overpressure system is commonly developed in the hinterland of Junggar basin ( deeper than 4, 000 meters) and so many drillings met the overpressure zone.
准噶尔盆地腹部普遍发育深层（大于4000m）超压系统，很多钻井都钻遇超压。 - In our country, however, the sealing quality of various drillings is unsatisfactory, which needs to research on sealing material, technology and equipment.
而我国煤矿各类钻孔的封孔质量均不容乐观，迫切需要开展钻孔密封材料、技术及装备的研究。