1.
Research on Direction Control Techology of Auger Drill Miner Drill
螺旋钻采煤机钻具定向控制技术的研究
2.
Application of Cuimiao Coal Drill Protection Layer Face Shearer Style in Drilling
崔庙煤矿保护层工作面钻采煤机在钻采中的应用
3.
Extremely Thin Protectors Drilling Picks the Craft in Protector Mining Application
极薄煤层钻采工艺在保护层开采中的应用
4.
drilling machine, mining or quarrying, not self-propelled
开矿或采石用钻机,非自动钻机
5.
4.14 Drilling with cone (drag) bit in the section.
此段地层采用牙轮（刮刀）钻头钻进。
6.
Analysis on Mining Released Gas Sources for Surface Borehole Drilling and Gas Drainage
地面钻井抽采采动卸压瓦斯来源分析
7.
Application of Drilling Engineering in Fracturing Test Borehole of Gasification Coal Mining
钻探工程在气化采煤压裂试验钻孔中的应用
8.
Vibration Signal Applied to Analyze Reaming Performances of Raise Boring Machine
采用振动信号分析反井钻机扩孔钻进工况
9.
A study on the application of auger type coal miner in mining methane relieving coal seams with higher gas content
钻式采煤机在高瓦斯解放层开采中的应用探索
10.
Research on Maximize Technology of Extraction Mining with Drilling Through Coal Seam in Protective Coal Seam
保护层开采穿层钻孔抽采最大化技术研究
11.
Influencing factors to extraction efficiency of surface goaf hole
地面钻孔抽采采空区瓦斯效率影响因素
12.
Analysis of Surface Shaft Drilling Goaf Gas Extraction at Tunliu Mine
屯留煤矿地面钻井采空区瓦斯抽采分析研究
13.
Application of Large-diameter Borehole in the Process of Gas Comprehensive Management in Coal Face
大直径抽采钻孔在采面瓦斯综合治理中的应用
14.
Research on Parameters of Gas Drilling Bore in Steep Coal Seam Gob
急倾斜煤层采空区瓦斯抽采钻孔参数研究
15.
Petroleum Engineering (Chief Engineers of Oil Production and Drilling)
石油工程（采油、钻井总工程师）
16.
7.14 Using the seawater to force drill out the loss formation.
采用海水强行钻过漏失层。
17.
boring machine for mining or quarrying[self propelled]
开矿或采石用钻探机[自动推进的]
18.
drilling machine, for mining or quarrying, self-propelled
开矿或采石用钻机,自动推进式