| 1. | Methods and prospects for methane drainage in goaf
采空区瓦斯抽放方法与展望 |
| 2. | Research and application on the methane drainage
瓦斯尾巷抽放的研究与应用 |
| 3. | Roof roadway methane drainage test and its effect analysis
顶板巷道抽放瓦斯试验与效果分析 |
| 4. | Large borehole methane drainage technology
大直径钻孔瓦斯抽放技术 |
| 5. | Application of goaf methane drainage in huozhou coal mining district
采空区瓦斯抽放在霍州矿区的应用 |
| 6. | Probe into optimization technology of methane drainage borehole
热管技术在煤矿井下防爆电气设备中的应用 |
| 7. | Study on application of high - level boreholes methane drainage technology
高位钻孔瓦斯抽放技术应用的研究 |
| 8. | Elementary analysis of surface borehole stability in gob area methane drainage
地面采空区瓦斯抽放钻孔稳定性分析 |
| 9. | Problems existing in methane drainage in coal mines of china and probing into the countermeasures
我国煤矿瓦斯抽放存在的问题及对策探讨 |
