| 1. | The drain is clogged with hair . the water won ' t drain 排水孔塞满了头发。水放不出去。 |
| 2. | Flood protection products - specification - building apertures 防洪用品.规范.建筑物排水孔 |
| 3. | Study on the composite element method for modeling drainage holes 模拟排水孔的复合单元法研究 |
| 4. | 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 |
| 5. | 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 |
| 6. | 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 |
| 7. | Horizontal drainage channel 水平排水孔 |
| 8. | 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 |
| 9. | And the mode of the drain hole placing determined the its effect directly 排水孔的布设模式直接决定了排水孔的排水降压效果的好坏。 |
| 10. | Study on parameter of composite element method for modeling drain hole in seepage analysis 渗流分析中排水孔模拟复合单元法的参数研究 |