 |
| |||
| справочные данные | |||
|
handbook data : 4 phrases in 4 subjects |
| Aviation | 1 |
| Hydrology | 1 |
| Quality control and standards | 1 |
| Technology | 1 |
|
| |||
| справочные данные | |||
|
handbook data : 4 phrases in 4 subjects |
| Aviation | 1 |
| Hydrology | 1 |
| Quality control and standards | 1 |
| Technology | 1 |