| 1. | Tapered drilling method for drainage holes in crooscut
石门排放钻孔锥体施工方法 |
| 2. | The improvement of sealling method inside gas drainage hole
瓦斯抽放钻孔封孔方法的改进 |
| 3. | Eight drainage holes ensure effective and safe drain
8个引流孔，保证引流量，有效更安全。 |
| 4. | Study on the composite element method for modeling drainage holes
模拟排水孔的复合单元法研究 |
| 5. | Air element methad for modeling drainage holes in seepage analysis
渗流分析中排水孔模拟的空气单元法 |
| 6. | The thermal dynamic analysis of tunnel drainage hole in the perennial frozen soil
多年冻土中隧道泄水洞热动态分析 |
| 7. | Improved coupling method of analytical solution for drainage hole and fem
改进的排水孔解析解和有限元耦合计算方法 |
| 8. | Seepage analysis considering drainage holes by p - version adaptive composite element method
型自适应复合单元法分析 |
| 9. | A new method of close drainage hole simulation in the seepage control analysis
渗流控制分析中密集排水孔模拟的新方法 |
| 10. | The drainage hole in the analysis of using air element method to simulate seepage field
空气单元法模拟渗流场分析中的排水孔 |
