 |
| |||
| бытовые сточные воды | |||
| eaux domestiques: 16 phrases in 4 subjects |
| Construction | 10 |
| Environment | 1 |
| Natural resourses and wildlife conservation | 4 |
| Water resources | 1 |
|
| |||
| бытовые сточные воды | |||
| eaux domestiques: 16 phrases in 4 subjects |
| Construction | 10 |
| Environment | 1 |
| Natural resourses and wildlife conservation | 4 |
| Water resources | 1 |