| 1. | Hot - rolled steel sheet in coils of structural quality and heavy thickness
结构质量和特厚的成卷热轧钢薄板 |
| 2. | A roof - coal - discharging test mining by predetonation in super high seam
坚硬顶板特厚煤层预爆破放顶采煤试验 |
| 3. | Study of seam structure characteristics under large and extra thick nappe
大型特厚推覆体下煤层构造特征的研究 |
| 4. | Analysis on efficient intensive production and mine safety of
双突三软特厚煤层矿井高效集约化生产与矿井安全分析 |
| 5. | The construction in special thick clay layer in qidong coal mine auxiliary shaft
祁东矿副井井简过特厚粘土层施工 |
| 6. | Comprehensive fire control in gates of steep extra - thick inflammable coal seams
急倾斜特厚易自燃煤层顺槽综合防灭火 |
| 7. | Feasibility studies on longwall top - coal caving mining in no . 2 1 2 seam of ruqigou coal mine
急倾斜特厚煤层综放开采实践 |
| 8. | Ground pressure observation in bolting coal roadway with fully mechanized top - coal caving
特厚煤层综放煤巷锚杆支护矿压观测 |
| 9. | 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 |
| 10. | Study on failure laws of surrounding rock in the steep dip and extra - thick coal seam mining
急斜特厚煤层开采围岩破坏规律研究 |
