| 1. | Talking about single hydraulic prop caving coal mining
单体液压支柱放顶煤开采探讨 |
| 2. | Seamless hot - rolled steel tubes for hydraulic pillar service
液压支柱用热轧无缝钢管 |
| 3. | Seamless hot - rolled steel tubes for hydraulic pillar service
液压支柱用热轧无缝钢管 |
| 4. | Hydraulic support with suspending hollow plug
柱塞悬浮式单体液压支柱 |
| 5. | Finite element analysis on sealing cover of dwx hydraulic prop
型液压支柱密封盖的有限元分析 |
| 6. | Design of roof controlling in individual props face in huaibei mining bureau
淮北矿区单体液压支柱工作面控顶设计 |
| 7. | The research on single hydraulic prop equipped with detachable lengthened segment
单体液压支柱配用可拆装加长段的研究 |
| 8. | Hydraulic prop test rig
液压支柱试验装置 |
| 9. | Design about frequency conversion timing system of hydraulic support test pump station
液压支柱试验泵站变频调速系统设计 |
| 10. | 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 |
