 |
| |||
| slurry bed | |||
| slurry bed (в осветлителе) | |||
| слой взвешенного осадка: 20 phrases in 5 subjects |
| Construction | 4 |
| Ecology | 9 |
| General | 1 |
| Makarov | 3 |
| Technology | 3 |
|
| |||
| slurry bed | |||
| slurry bed (в осветлителе) | |||
| слой взвешенного осадка: 20 phrases in 5 subjects |
| Construction | 4 |
| Ecology | 9 |
| General | 1 |
| Makarov | 3 |
| Technology | 3 |