1.
Mechanism Research of Gas Drainage by Drilling Long Holes
井下预抽瓦斯定向长钻孔的合理性参数研究
2.
The practice and application of kilometer-orientated large diameter and long-distance drilling
千米定向大直径长距离钻孔的实践与应用
3.
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
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.
Application of Wireless-while-drilling Technology on Large Diameter Directional Hole
无线随钻技术在大口径定向工程钻孔中的应用
6.
The construction craft research of directional note thick liquid water shutoff drill hole in the depletion region
过煤矿采空区定向钻孔施工工艺研究
7.
Pressure releasing and gas drainage with long bore hole in roof overburden of fully mechanized caving face
综放面顶板覆岩走向长钻孔卸压抽放瓦斯研究
8.
Study on the Vertical Bearing Capacity of Large-Diameter Bored Cast-in-Situ Long Pile;
大直径深长钻孔灌注桩单桩竖向承载性能研究
9.
Research on Axial Loading-Settlement Curve of Super-Long Bored Single Pile;
超长钻孔灌注单桩轴向荷载—沉降曲线研究
10.
Application of Directional Drilling 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)定向钻进技术的应用
11.
Of course, one should be scrupulous when drilling through the surface of a mural.
当然，透过画面向岩石钻孔一定要慎之又慎。
12.
Study of Non-Dig Oscillate-Drilling DTH Orientation Device Applied on Hard Rock Stratum;
硬岩非开挖钻进摆动式潜孔锤定向机构的研究
13.
The Researching of Slurry s Effect in the HDD (Horizontal Directory Drilling);
非开挖水平定向钻孔中的泥浆作用机理研究
14.
Practice of directional hole boring for laying electric power supply lines
非开挖定向钻孔敷设电力电缆的施工实践
15.
The Optimal Design About the Trajectory of Non dig Guided Boring
非开挖导向钻进钻孔轨迹的优化设计
16.
When it has been decided where we are going to drill,
当确定钻孔地点后，
17.
Experimental study on vertical bearing capacity of post cast bored pile in Shanghai region
上海地区超长后注浆钻孔桩竖向承载力试验研究
18.
The Experimental Research on the Vertical Bearing Behavior of Super-long and Large Diameter Bored Piles in Lake Dongting;
洞庭湖区大直径超长钻孔灌注桩竖向承载性状试验研究