| |||
| 水力学试验模型 | |||
|
hydraulic testing model : 19 Phrasen in 4 Thematiken |
| Hydrologie | 1 |
| Landwirtschaft | 1 |
| Technik | 10 |
| Wasserkraftwerk | 7 |
| |||
| 水力学试验模型 | |||
|
hydraulic testing model : 19 Phrasen in 4 Thematiken |
| Hydrologie | 1 |
| Landwirtschaft | 1 |
| Technik | 10 |
| Wasserkraftwerk | 7 |