| 1. | Talking about single hydraulic prop caving coal mining
单体液压支柱放顶煤开采探讨 |
| 2. | Hydraulic support with suspending hollow plug
柱塞悬浮式单体液压支柱 |
| 3. | 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 |
| 4. | 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 |
| 5. | Application of plunger suspension prop under the condition of complex coal seam
柱塞悬浮式单体液压支柱在复杂煤层条件下的应用 |
| 6. | Manufactures magnetic couplings , sealless blowers , and diving life support equipment
-制造单体液压支柱，空气压缩机和气动凿岩机。 |
| 7. | Application of using single hydraulic props as temporary support in room - and - pillar coal face
刀柱炮采工作面单体液压支柱临时支护方式 |
| 8. | Digging overall height floor coal at one times at about 3 . 0m seam face with single hydraulic prop
左右煤层采用单体液压支柱支护卧底煤一次采全高 |
| 9. | Oil cylinder material capability analysis and its cost forecast of hydraulic single prop used in mines
矿用单体液压支柱油缸材料性能分析及成本测算 |
| 10. | Application of thin stainless steel technique welding and inlay is in the single liquid pressure props
不锈钢薄壁焊接及镶衬技术在单体液压支柱中的应用 |
