 |
| |||
| wässriges System | |||
| hydrologisches System | |||
| Wassersystem n | |||
| водная система: 5 phrases, 5 sujets |
| Construction navale | 1 |
| Général | 1 |
| Hydrologie | 1 |
| Polygraphie | 1 |
| Travaux routiers | 1 |
|
| |||
| wässriges System | |||
| hydrologisches System | |||
| Wassersystem n | |||
| водная система: 5 phrases, 5 sujets |
| Construction navale | 1 |
| Général | 1 |
| Hydrologie | 1 |
| Polygraphie | 1 |
| Travaux routiers | 1 |