1.
The Analysis and Prevention on the Accident of Spontaneous Ignition in the Coal Bed;
一起巷帮钻场煤层自燃事故的分析及防治对策
2.
Application of Drift Drill Field "Exhausting while with Excavating" in Gassy Coal Mine
巷帮钻场“边抽边掘”在高瓦斯煤矿的应用
3.
Application of Loosening Roadway Sides and Pressure Relief with Wind-coal Drill in Roadway of Excavation Face
风煤钻松帮卸压在采掘工作面巷道中的应用
4.
Study on Measures Improvement of Extraction Sealing Process in Hanger Ear Drill Site of Driving Tunnel in Sijiazhuang Coal Mine of Yangquan Coal Industrial Group
阳煤集团寺家庄矿掘进巷挂耳钻场封孔工艺改进措施研究
5.
Hardypick drifting machine
哈迪皮克型平巷电钻机组
6.
Rotary drilling machine replacing downhole drill to accomplish controllable blasting of slope
牙轮钻取代边坡钻完成边帮控制爆破
7.
Research on Technology of Fast Speed Drill Pipe Bit Based on Breaking Roadway Floor Ore-forming
基于破碎巷道底板成孔的快速钻杆钻头技术研究
8.
Light Drills Digs "Three soft" Coal Bed Coal Lane Tunneling Application
轻型钻掘机在“三软”煤层煤巷掘进中的应用
9.
Application of Rock Drilling Detecting Technology in Roadway Reinforcement
岩层钻孔探测技术在巷道加固中的应用
10.
Numerical Simulation Optimization for Release Pressure Bore Hole of Roadway Floor in Three Soft Coal Seam
三软煤层巷道底板钻孔卸压的数值模拟优化
11.
Numeric simulation of borehole pressure relief preventing roadway rockburst of a mine
钻孔卸压防治巷道冲击地压的数值模拟
12.
Research and Implementation on Oblique Crossed Boreholes in Air Return Gateway of Coal Mining Face
回采工作面回风巷斜交钻孔的研究与实施
13.
Practice on the Application of Bored Tunneling Method to Control Gas in Goaf
钻孔法替代巷道法进行采空区瓦斯治理的实践
14.
Experiment Study in High Gas Heavy Section Colligate Driving Drift Hydraulic Pressure Rockbolt Drill Vehicle
高瓦斯大断面综掘巷道液压锚杆钻车试验研究
15.
Mistaken Exposing Coal Prevention in Rock Drift Driving
钻探法在防止岩巷掘进误揭煤中的应用
16.
Clearance-reserving suppor technique applied to tunnel having high-stress soft wallrock
高应力软岩层巷道空帮让压复合支护研究
17.
Width of destressing gas zone in coal ribs:theoretical analysis and its application
煤巷两帮卸压瓦斯带宽度理论分析及应用
18.
he clambered up onto the stage and got the actors to help him into the box.
他登上舞台让演员帮着他钻进了盒子。