| 1. | The support power of the trend longwall coal face
走向长壁高档采煤工作面支护力 |
| 2. | Study on roof control in shallow seam longwall mining
浅埋煤层长壁开采顶板控制研究 |
| 3. | Ground pressure behavior of hard roof mining face
复合型坚硬顶板高档普采长壁工作面开采实践 |
| 4. | Common fault analysis and shootings of longwall coal shearer
长壁式采煤机常见故障分析及其排除 |
| 5. | Application of longwall mining method in steeply inclined seam
在急倾斜煤层中巷道长壁采煤法应用 |
| 6. | Discussion on design for fully mechanized longwall coal mining face
大倾角中厚煤层长壁综采工作面设计探讨 |
| 7. | Working resistance and safety margin of long - wall support in shallow coal bed
浅埋煤层长壁开采支架阻力及安全界限 |
| 8. | Longwall and longhole blasting coal mining method for difficult mining seam
难采煤层巷道长壁长孔爆破采煤方法简介 |
| 9. | Mining horizontal pillars with hydraulic roof propping in longwall caving method
在长壁式崩落法中用液压支柱护顶回采水平矿柱 |
| 10. | Longwall shearing and heading machines ; shanks of cutting tools and their assembly openings
长壁剪切机和镦锻机.切刀柄和其安装开口 |
