在南非这个以钻石矿而闻名的国家，金伯利岩衬托出了这颗黄钻的美丽。
The igneous rock kimberlite sets off a yellow diamond from South Africa, a country known for its diamond mines.
利用全景相机、显微镜、钻岩机、光谱摄影机及磁力集尘器，巡回者号将寻找这个荒芜世界过去是否有水存在的线索。
With its panoramic camera and microscope its rock drill spectrographs and magnetic dust collector the robot will search for clues about the watery past of that desert world.
在绢云母石英片岩中开挖隧洞，使用多臂钻造孔爆破，出现钻孔有规律的弯曲现象，影响了钻爆速度和成洞质量。
When we dig a tunnel in sericite quartz-schist with dobby drills, regular bending of the boreholes appears, which affects drilling speed and the borehole quality.
取芯钻头不同的唇面形状、胎体配方可适应各种复杂岩层的取芯，所钻取的岩芯将为地质和工程研究提供可靠的数据。
Different lip shape and matrix formula of coring bit apply to various coring work in complex rock. The core can provide reliable data to geological and engineering research.
岩石力学性质和可钻性是分析和评价岩石抵抗破碎和钻进的基本性质，也是合理选择碎岩工具和工艺的基础。
The mechanical property and drillability of rocks are the basic quality available for analyzing and evaluating the anti fracture and drilling resistance of rocks.
介绍了用于全面钻进的YZX127型液动潜孔锤的结构特点、性能参数、室内岩样实钻试验效果，展望了其广阔的应用前景。
YZX127 hydro hammer used for full face drilling is described with its structural characteristics, performance parameters and laboratory test results as well as the application prospects introduced.
经过几年对锚杆钻机的跟踪研究，发现锚杆钻机在围岩作业中常遇到软岩中有硬岩夹层的现象，造成施工过程经常更换钻具的问题。
After several years to jumbolter research, the hard rocks always present in the soft ones in the wall rock procedure using jumbolter, which results in changing the boring tool during the procedure.
给出了3种钻具组合形式，分析了井下导向技术的优势，探讨了携岩等技术问题并推荐了解决办法。
The paper presented 3 kinds of bottom hole assembly, analysed the advantages of downhole steering technique, discussed the problems such as rock carrying and recommended some solutions.
研究人员在从阿曼海湾的深海沉积物中钻取的岩芯中发现了同样能说明问题的旱灾的迹象。
Researchers found the same telltale signature of drought in a deep-sea sediment core drilled from the Gulf of Oman.
现代旋转钻井破碎岩石是以机械破岩为主导方式，射流辅助机械破岩的目的是提高机械钻速。
Mechanical rock breaking is the main function of modern rotary drilling. The purpose of jet aided mechanical rock breaking is to improve the penetration rate.
针对某含金矿地层蚀变强烈，岩矿层硬、碎、软硬不均、取心困难的特点，研制了ZJS系列钻具。
ZJS series of core barrels are developed to cope with strongly altered gold ore and body which is hard, brittle, of alternate hardness and difficult to core.
本文在对钻屑法通过现场实测，实验室模拟和理论研究的基础上，提出用于快速估测松碎岩体应力的基本原理和实测技术。
The principles and measuring method are dealt with for fast estimation of stresses in loosened and broken rock in the paper on the basis of field measurement, lab. Modeling and theoretical analysis.
单动双层岩芯管钻具结构简单、操作方便、同轴度好、适用寿命长，能有效地提高岩、矿芯的完整度。
The swivel-tube barrel can effectively increase core recovery rato. suitable for drilling in formations in which oblique hole comes easy. It is effective to assure hole quality.
超高压水射流辅助破岩是提高机械钻速的有效途径，水射流破岩效果影响因素及机制研究是其关键之一。
Ultra-high pressure jet assisted drilling is an affective approach for improving penetration speed; and influential factors and mechanism of rock breakage are key technologies.
从提提卡卡湖125英里深处钻取的奎卡亚冰岩芯记录了该地区的年降雨量。
The Quelccaya ice core, drilled just 125 miles from Lake Titicaca, contains an annual record of precipitation for the region.
本文所得到的结论将进一步认识气体钻水平井携岩机理，对气体钻水平井设计与施工具有一定的指导作用。
In this paper, the conclusion will be further understanding of the level of gas Wells drilled rock carrying mechanism, the gas horizontal well design and construction of the guiding role has certain.
天然裂缝发育是工区碳酸盐岩储层漏失的客观原因，钻具震动、应力释放、诱导裂缝是产生井漏的外部原因。
Various natural fractures are the objective reason of leakage in carbonate reservoir, while the tools vibration, stress release and induced fractures are the external reasons of leakage.
天然裂缝发育是工区碳酸盐岩储层漏失的客观原因，钻具震动、应力释放、诱导裂缝是产生井漏的外部原因。
Various natural fractures are the objective reason of leakage in carbonate reservoir, while the tools vibration, stress release and induced fractures are the external reasons of leakage.
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