1.
Drilling Technology for Water Inrush Borehole in Pulang Copper Mining Area of Shangrila
香格里拉县普朗铜矿区涌水钻孔钻进工艺
2.
Some technical measures to increase flow of water in the borehole are analyzed in the light of hydrogeology.
同时,从水文地质学角度剖析了提高钻孔涌水量所能采取的技术措施。
3.
Analysis on Influencing Factors of Gas Emission with Boreholes to Determine Drainage Radius
钻孔瓦斯涌出量确定排放半径影响因素分析
4.
Application of Bit Water Way in HDD
水平定向钻进扩孔钻头水口应用分析
5.
rotary wash-boring equipment
旋转式水冲钻孔设备
6.
horizontal borehole pressure recorder
水平钻孔压力记录器
7.
Analysis on Seepage and Piping of Secant Piles Exterior Protected Construction in Silt-sand Soil;
粉砂粉土地基钻孔咬合桩围护结构渗流及管涌分析
8.
Change Rule of Initial Speed of Gas Emission From Borehole in Outburst Coal Seam Before and After Pressure Relief
突出煤层卸压前后钻孔瓦斯涌出初速度的变化规律
9.
Early kick detection methods for deepwater drilling and its future development
深水钻井早期井涌检测方法及其未来趋势
10.
Research of the Attenuation Rule of the Water Shock Wave Effect for Underwater Drilling Blasting
水下钻孔爆破水击波衰减规律的研究
11.
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
12.
The paper sequentially analyzed the starting-crack mechanism of hydraulic fracture bore which lies in coal delamination or lies between two coal delaminations or through many coal delaminations.
进而论文分析阐述了煤分层中钻孔、分层层面钻孔、以及穿层钻孔水力压裂的起裂机理。
13.
Stability Analysis and Experimental Study of Hole Wall in Soil Horizontal Drilling;
土体中水平钻孔孔壁稳定性分析及试验研究
14.
CONSTRUCTION SCHEDULE ADVANCEMENT OF DRILLING PILE BY DEEP HOLE WATER PRESSURE BLASTING
采取深孔水压爆破提高钻孔桩施工进度
15.
The Construction Techniques for the Deep-water and Large Aperture Drilled Piles of Hutiaomen Bridge
虎跳门特大桥深水大孔径钻孔桩施工工艺
16.
The Construction of Bored Pile Underwater Platform of Wuzhong Huanghe Bridge
吴忠黄河特大桥钻孔桩水中平台施工
17.
Wireless Remote Measurement System of Drill Hydrology Based on GPRS;
基于GPRS的钻孔水文无线遥测系统
18.
Development of Cast-in-place Bored Pile Technology in Hydraulic Project;
钻孔灌注桩在水利工程中的应用现状