 |
| |||
| courant d'air | |||
| ток воздуха: 13 phrases in 5 subjects |
| Medical appliances | 1 |
| Metallurgy | 2 |
| Mining | 6 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 3 |
|
| |||
| courant d'air | |||
| ток воздуха: 13 phrases in 5 subjects |
| Medical appliances | 1 |
| Metallurgy | 2 |
| Mining | 6 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 3 |