| 1. | Preparation roadway support technique in extremely soft seam
极软煤准备巷道支护技术研究 |
| 2. | Variable grades of closure force from very soft to very firm
由极软至极硬等有多种不同的软硬度 |
| 3. | A discussion on bearing capacity of socketed pile in very soft rocks
极软质岩石中嵌岩桩的单桩承载力探讨 |
| 4. | Repair technology , monitoring and analysis for ultra soft rock failed mine roadway
极软岩破坏巷道修复技术与监测分析 |
| 5. | A study on the mine pressure law on the dead soft blast layer working face
极软煤层轻放开采工作面矿山压力显现规律分析 |
| 6. | 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 |
| 7. | Ground pressure behavior of light top - coal caving method in extremely thick and soft seam
极软特厚煤层轻放开采矿压显现规律 |
| 8. | Dead soft cast iron
极软铸铁 |
| 9. | Dead soft steel
极软碳钢 |
| 10. | A discussion on pile end bearing capacity eigenvalue taking method in a very soft rock foundation
浅析极软质岩石地基中桩的端阻力特征值的取值 |
