 |
| |||
| open caisson; American caisson | |||
| открытый кессон: 4 phrases in 4 subjects |
| Electronics | 1 |
| Hydraulic engineering | 1 |
| Natural resourses and wildlife conservation | 1 |
| Sakhalin A | 1 |
|
| |||
| open caisson; American caisson | |||
| открытый кессон: 4 phrases in 4 subjects |
| Electronics | 1 |
| Hydraulic engineering | 1 |
| Natural resourses and wildlife conservation | 1 |
| Sakhalin A | 1 |