1.
The Jeopardizing of the Slant of Bore to Hydrographic Bore and Precaution in the Incompact Stratum Layers
松散地层中井斜对水文钻孔的危害及预防
2.
Wireless Remote Measurement System of Drill Hydrology Based on GPRS;
基于GPRS的钻孔水文无线遥测系统
3.
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。
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.
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
8.
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
9.
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
10.
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。
11.
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
12.
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
13.
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
14.
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
15.
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
16.
An experimental study of drilling small and deep blind holes with an abrasive water jet
磨料水射流钻削深小盲孔的试验研究
17.
Quaternary Sand Aquifer Drilling Dewatering in Junde Coal Mine
峻德矿含水第四纪砂层地表钻孔疏干
18.
AHP-Fuzzy in Underwater Drilling and Blasting Construction
水下钻孔爆破施工的AHP-Fuzzy技术