The Multi-functions of Micro-bubble Drilling Fluid for Core Drilling
微泡钻井液在岩芯钻探中的多重功效
Study on Structure Optimization of the Derrick of JYD-1000 All-hydraulic Core Drilling Rig;
JYD-1000型全液压岩芯钻机钻塔结构优化研究
Application of the XY-1 type core drilling machine to horizontal drilling
XY-1型岩芯钻机在水平钻孔施工中的应用
Design and analysis of the load sensing pump control system of the 1500m core-drilling rig
1500m岩芯钻机负荷传感泵控系统的设计与分析
Finite Element Analysis and Research on Optimum Design of Drilling Tower Joints of JYD-1000 All-hydraulic Core Drill;
JYD-1000型全液压岩芯钻机钻塔节点有限元分析及优化设计研究
Study on drill bit for large diameter core drilling of deep hole in hard rock
硬岩深孔大口径取芯钻进的钻头研究
Management System of Geological Prospecting Bore Rock Core Information Multimedia Database
地质勘查钻孔岩芯信息多媒体数据库管理系统
Construction Method of Coring for Pore Forming Based on Water Drilling of Super-diameter Rock Pile
超大直径岩石桩水钻取芯成孔的施工技术
Application of Core Drilling Collecting Rate to Evaluate Seam Gas Content and Distribution
应用钻探岩芯采取率评价煤层瓦斯含量及分布
Method of deducting contamination caused by drill oil-based fluid in organic geochemical analysis of borehole core
钻探油基泥浆对岩芯有机地化分析中污染的扣除方法研究
Analysis of Instance on Checking the Reflection Wave Method of Rock-socketed Pile Detect by Core Drilling Method
用钻芯法核验反射波法检测桩端嵌岩情况的实例分析
The geologist needs to know what rocks the drill has reached, so every so often a sample is obtained with a coring bit.
地质学家需要知道钻头已达到什么样的岩层了, 所以时时要用取钻芯头那样.
This drill can bore through rock.
这台钻机能钻透岩石.
The Quelccaya ice core, drilled just 125 miles from Lake Titicaca, contains an annual record of precipitation for the region.
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。
Researchers found the same telltale signature of drought in a deep-sea sediment core drilled from the Gulf of Oman.
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。
Selection of Drill Tool of Testing in Mixing Pile with Core Drilling Method
水泥土搅拌桩钻芯法检测钻具的选取
A needle-shaped drill for boring holes in rock or masonry.
钻头，钻石器，钻孔器用于在岩石或砖石上钻孔的针形钻
The core pellet is placed in a chamber.
把岩芯放在容器中。