| 1. | Model swdb 120 mono - body hydraulic down - the - hole drill
120型一体化液压潜孔钻机 |
| 2. | Improvement on drilling rod of the cd - 360 drilling machine
360潜孔钻机用钻杆的改进 |
| 3. | The transform of dry dusting system of down - the - hole drill
潜孔钻机干式除尘系统改造 |
| 4. | Model kqy90 hydro - pneumatic down hole drill rig
90型气液联动潜孔钻机 |
| 5. | Swdb90 integrative hydraulic down - hole drill
90一体化液压潜孔钻机 |
| 6. | High - pressure ring in - the - hole drill rigs
高气压环形潜孔钻机 |
| 7. | Research on the intelligent anti - jamming system for down - the - hole drill
潜孔钻机智能防卡钎系统的研究 |
| 8. | A new hydraulic drill for quarrying
新型一体化液压潜孔钻机 |
| 9. | Dz - 100 dives the hole drilling machine rack improvement and application
100型潜孔钻机机架的改进与应用 |
| 10. | Qz - 65 . 90b multifunctional pneumatic drill
多功能潜孔钻机 |
