1.
Application of Gas Extraction Technology by High-level Fracture Borehole in Fully Mechanized Caving Face of Thick Coal Seam
高位裂隙钻孔抽采技术在厚煤层综放面的应用
2.
Application of Gas Drainage in Fractured Zone by Roof High-level Boreholes in Daping Coal Mine
顶板高位钻孔裂隙带抽放在大平矿的应用
3.
Treatment Method of Rock Crevice in Drilling for Bored Pile
高架桥桩基钻孔遇岩石裂隙的处理技术
4.
DETERMINING THE HEIGHT OF COLLAPSE AND FRACTURE ZONE WATER-TRANSMITTING IN MINED-OUT AREA BY MEANS OF BOREHOLE
利用钻孔确定采空区垮落带和导水裂隙带高度
5.
A separation, an aperture, a fissure, or a short passage in an organ or a body part.
裂孔，孔器官或身体部位中的孔隙、隙缝、裂隙或通道
6.
A Study of Protected Mechanism and Drilling Working Fluid for Fracture-Pore Type Reservoirs;
裂缝—孔隙型储层保护机理与钻井工作液研究
7.
Study on axial vibration drilling to improve positioning accuracy
轴向振动钻削提高钻孔定位精度研究
8.
On Techniques of Bored Pile Construction for Bridge in Karst Region
通过溶洞、裂隙的钻孔灌注桩成桩技术——桂子湖大桥6-3~#桩基础施工
9.
Design for drawing out gas with high position boring at coal face
轻放工作面抽放瓦斯高位钻孔的设计
10.
The karst fissure medium can be regarded as dual medium of porosity.
岩溶裂隙介质可视为双重孔隙度介质。
11.
Small Annulus Cementing Technology in the Hole WFSD-1 of Wenchuan Earthquake Fault Scientific Drilling Project
汶川地震断裂带科学钻探一号孔(WFSD-1)小间隙固井工艺的研究与实践
12.
The pore spaces are completely dominated by primary porosity and pores, vogs and fractures with secondary origination.
孔隙空间主要是原生孔隙及由次生原因形成的孔隙和裂缝。
13.
EFFECTS OF PRIMARY KEY STRATUM LOCATION ON HEIGHT OF WATER FLOWING FRACTURE ZONE
覆岩主关键层位置对导水裂隙带高度的影响
14.
A Few Methods of Raising the Accuracy of the Location of Drilling a Hole for Fitters;
提高钳工实习钻孔位置精度的几种方法
15.
Application and analysis on high level borehole gas drainage technology in mined-out area
采空区高位钻孔瓦斯抽放技术应用与分析
16.
The Optimized Study of Gas Taking out Parameters of High Position Boring of Taoyuan
桃园矿高位钻孔瓦斯抽放参数优化研究
17.
Application of Gas Drainage Technology by High-level Boreholes in Gas Control of the Working Face
高位钻孔抽放技术在工作面瓦斯治理中的应用
18.
The Theory and Its Application of Percolation in Pore and Fracture Double-Medium;
孔隙裂隙双重介质逾渗理论及应用研究