 |
| |||
| couche de fond | |||
| слой грунта: 7 phrases in 3 subjects |
| Construction | 2 |
| Hydraulic engineering | 2 |
| Natural resourses and wildlife conservation | 3 |
|
| |||
| couche de fond | |||
| слой грунта: 7 phrases in 3 subjects |
| Construction | 2 |
| Hydraulic engineering | 2 |
| Natural resourses and wildlife conservation | 3 |