| 1. | Shaft sinking by longhole blasting in complicated rock mass
复杂岩体内的深孔爆破成井 |
| 2. | Construction technology of big diameter drainage well of group rock
基岩大口径排水井成井技术 |
| 3. | Physical model test and study on shaft excavation by one - step deep - hole blasting
一次爆破成井物理模型试验研究 |
| 4. | Calculation method for explosive charges in formation of shaft by blasting compaction
爆炸挤压成井药量计算研究 |
| 5. | Technical methods to improve well completion quality in fine slit sand stratum
提高粉细砂地层成井质量的技术措施 |
| 6. | A study on well completion technology of a geothermal test well in dinfuzhuang , beijing
定福庄地热试验井成井工艺研究 |
| 7. | Construction technology for completion of coal chute in a single stage by longhole blasting
溜煤眼深孔爆破一次成井施工技术 |
| 8. | Formation technique of water supply tubewell in the water source land in southern bozhou city
亳州城南水源地供水管井成井工艺 |
| 9. | Study on well completion techniques and capacity of screen like qiao type in silt strata
粉砂地层桥式滤水管的成井工艺与出水量研究 |
| 10. | A discussion of the well completion technology in the fine and silty sand of the eastern henan province
浅议豫东地区粉细砂地层成井工艺 |
