 |
| |||
| 砾石洲 | |||
| 沙地缓冲带 | |||
| 沙石缓话区; 砂石缓冲床 | |||
| 砾石拦截坑 | |||
|
gravel trap : 9 Phrasen in 5 Thematiken |
| Elektronik | 2 |
| Geotechnics | 1 |
| Ingenieurgeologie | 1 |
| Ökologie | 1 |
| Technik | 4 |
|
| |||
| 砾石洲 | |||
| 沙地缓冲带 | |||
| 沙石缓话区; 砂石缓冲床 | |||
| 砾石拦截坑 | |||
|
gravel trap : 9 Phrasen in 5 Thematiken |
| Elektronik | 2 |
| Geotechnics | 1 |
| Ingenieurgeologie | 1 |
| Ökologie | 1 |
| Technik | 4 |