 |
| секторный затвор: 21 phrases in 5 subjects |
| Aviation | 1 |
| Construction | 1 |
| Hydraulic engineering | 15 |
| Mining | 3 |
| Natural resourses and wildlife conservation | 1 |
|
| секторный затвор: 21 phrases in 5 subjects |
| Aviation | 1 |
| Construction | 1 |
| Hydraulic engineering | 15 |
| Mining | 3 |
| Natural resourses and wildlife conservation | 1 |