1.
Study on technique application of eliminating outburst by extracting gas from shallow hole in the fully mechanized mining face
综采工作面浅孔瓦斯抽放消突技术应用研究
2.
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
3.
Research on the technology of integrated interchange drilling to drainage gas
综合立体交叉钻孔抽放瓦斯技术研究
4.
Gas Drainage Technology of Goaf with Boreholes from Surface Ground of Tangshan Mine
唐山矿地面钻孔抽放采空区瓦斯技术
5.
A Study of the Second Hole Sealing Method to Improve Gas Drainage in Coal Seams
煤层瓦斯抽放钻孔的二次封孔方法研究
6.
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
7.
The Technique for the Drainage of the Gas from the Upper Corners of A Gassy Fully-mechanized Top-coal Caving Face through Drilling Vertical Holes
高瓦斯综放工作面上隅角竖直钻孔瓦斯抽放技术
8.
Application of Gas Drainage from Long Holes Along Roof Strike in the Working Face Upper Corner
走向长钻孔瓦斯抽放在治理工作面上隅角瓦斯中的应用
9.
Gas drainage in seam with large auto variable diameter bore holes
自动变径大直径钻孔抽放煤层瓦斯试验
10.
Research on Bit for Efficient Drilling of Gas Drainage Borehole in Nantong Mining Area;
南桐矿区瓦斯抽放孔快速钻进钻头的研究
11.
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
12.
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
13.
Gas Drainage by Boring Near Seam at 43001 Coal Face
43001采煤工作面上邻近层穿层钻孔瓦斯抽放
14.
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
15.
Discussion on Application of Mechanical Fire Arrestor in Gas Drainage System
浅析机械阻火器在瓦斯抽放系统中的应用
16.
Study on Technology of Bores Through Coal and Rock Seams Draining Long Distance Pressure Relief Gas in Bed Plate Tunnel;
底抽巷上向穿层钻孔抽放远程卸压瓦斯技术研究
17.
Application of Gas Drainage Pump to Tunnel Gas Emission
瓦斯抽放泵在巷道排放瓦斯中的应用
18.
Prediction on Gas Emission and Gas Drainage base on Elevation
根据标高预测瓦斯涌出量和瓦斯抽放