| 1. | Preparation roadway support technique in extremely soft seam
极软煤准备巷道支护技术研究 |
| 2. | Supporting patterns of main roadway when passing soft seam and rock
大巷过软煤岩段支护方式探讨 |
| 3. | Firming measures for powered supports used in mining of three soft seam
煤层液压支架的稳固措施 |
| 4. | Wall strengthen technology at combined mining face in three soft seam
三软煤层综采工作面煤壁加固技术 |
| 5. | Practice of cut hole bolt support at light face in loosen soft seam
松软厚煤层轻放工作面切眼锚杆支护实践 |
| 6. | Top coal caving technology with - type beam used in three soft seam
型梁辅助假顶放顶煤技术在三软煤层的应用 |
| 7. | Discussion on theory of compound soft rock roof , soft seam along goaf drivage roadway
松软煤层沿空掘巷理论探讨 |
| 8. | Trial of bolting with wiremesh along double gob - side entry in three soft seam
三软煤层双沿空掘巷采用锚带网支护的尝试 |
| 9. | Analysis on deformation failure mechanism of surrounding rocks in three soft seam roadway
煤层巷道围岩变形破坏机理分析 |
| 10. | On bolting support of roadway in extremely soft seam of coal mine with complex roof
复合顶板极软煤层巷道锚杆支护技术研究 |
