| 1. | Smooth surface blasting technology in mine rock roadway excavation
在岩石巷道掘进中的光面爆破技术 |
| 2. | Research and application of the cutting blasting technology of roadway excavation in hard rock
坚硬岩石巷道掏槽爆破技术研究与应用 |
| 3. | The principle and application of advance surveying in roadway excavation by resistivity method
巷道掘进中电阻率法超前探测原理与应用 |
| 4. | Application of ventilation technology to mine long distance roadway excavation in shendong mining area
神东矿区长距离掘进通风技术应用 |
| 5. | Optimization of cutting holes layout for the blasting of roadway excavation at a certain metal mine
某金属矿巷道掘进爆破的掏槽孔布孔优化 |
| 6. | Study on test of improving quality of gate excavation and boosting efficiency of roadway excavation through hard rock
增加硬岩巷道掘进效率的试验研究 |
