| 1. | 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 |
| 2. | Bolt beam mesh support in full seam gateway in seam with pressure released
卸压煤层全煤巷道的锚梁网支护 |
| 3. | Chinese classification of in seam coals
中国煤层煤分类 |
| 4. | Application of logging curve in seam contrast in longhu coal field exploration
测井曲线在龙湖煤田勘煤层对比中的应用 |
| 5. | Sampling of coal in seams
煤层煤样采取方法 |
| 6. | Sampling of coal in seam
煤层煤样采取方法 |
| 7. | Stitches not in seam shadow
缝线没被盖住 |
| 8. | A shallow analysis on the existing features of the gas in seam no . b1 at xin ' an coal mine
新安煤矿二1煤层瓦斯赋存特征浅析 |
| 9. | Application of multifunction plank with trapezium - shed on supporting in seam with soft roof , floor and coal
梯形棚多功能垫板在三软煤巷支护中的应用 |
| 10. | Structural features of coal body in seam no . 8 and regional prognosis of coal and gas outburst in panji mine no
大宁煤矿突出预测敏感指标及临界值的探索 |
