| 1. | Developing the green production - jackleg hydraulic drill
支腿式水压凿岩机 |
| 2. | Development and test of zy - 300 fully - hydraulic drilling machine
300型全液压钻机的研究与试验 |
| 3. | Design and analysis on clamping device of full hydraulic drilling rig
全液压钻机夹持器的设计与分析 |
| 4. | Regulation method for feed speed of fully hydraulic drilling machine
全液压钻机进给速度调节方式探讨 |
| 5. | Use of outrigger hydraulic drill
支腿式液压凿岩机的使用分析 |
| 6. | A new hydraulic drill for quarrying
新型一体化液压潜孔钻机 |
| 7. | Probing into improvement of water swivel of model 150 hydraulic drilling machine
150钻机水辫轴改进的探讨 |
| 8. | Adjustment and failure diagnosis of hydraulic system of zyg - 150 hydraulic drill
150型钻机液压系统调试与故障诊断 |
| 9. | Hydraulic drill drilling couping
钻孔直径400mm |
| 10. | Probing into the problems related to oil supply ways of fully hydraulic drill machine
对全液压钻机供油方式有关问题的探讨 |
