core drill bit

用法例句

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

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

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

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

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

Diamond core drilling equipment conventional system

GB/T16950-1997金刚石岩心钻探钻具设备

Design and Application of large Diameter Bit in Rock and Soil Drilling

岩土钻探工程大口径钻头设计与应用

Drilling Fluid Technology Research on Mirabilite Mine Core Drilling in Guyuan of Ningxia;

宁夏固原芒硝矿取芯钻探钻井液技术研究

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

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

Promote the efficiency of drilling equipments in tunneling and drilling rocks

提高钻探设备在岩石中掘进钻井的效率

Core orientation and its Progress

钻探定向岩心的用途和岩心定向技术的进展

Seamless steel tubes standard use diamond core drilling

GB3423-1982金刚石岩心钻探用无缝钢管

Brief Study on the Rock Fragmentation Test Bed of Air Rotary Percussion Drilling

空气冲旋钻井破岩试验台架研制初探

Method of Enhancing Correct-judgement Rate by the Pile Foundation Geological Drilling in Karst Area

提高岩溶桩基地质钻探正判率的方法