| 1. | The thicker coal seams are located in a 10-15 km wide belt along which the channel meanders .
较厚的煤层位于河道发生弯曲的、宽10-15公里的地带内。 |
| 2. | Talking about the influence of the joins in thick coal seam
节理发育对厚煤层的影响 |
| 3. | Roof supporting of thick coal drift in sitai mine
四台矿厚煤层综采顺槽及切眼顶板支护问题探讨 |
| 4. | Thick oil - bearing layer , thick coal seam , thick gold layer . .
厚厚的油层厚厚的煤层厚厚的黄金层 |
| 5. | Bolt fixing and construction of loose amp; broken workings in thick coal
松散软煤体巷道锚杆施工方法 |
| 6. | Gas - control on sub - level working face of single and thick coal seam
单一厚煤层放顶煤工作面的瓦斯治理 |
| 7. | The key technique on layout of entry entirely in thick coal seam
厚煤层全煤巷采区巷道布置关键技术研究 |
| 8. | Application of new type metal net support in thick coal seam extraction roadway
支护在厚煤层回采巷道的应用 |
| 9. | Safe mining system of mining extremely thick coal seam with power disaster
巨厚煤层综放开采动力灾害防治研究 |
| 10. | Key coal mining technology of flexible shield support for steep thick coal seam
伪倾斜柔性掩护支架开采石门煤柱 |
