 |
| |||
| смесь в твёрдом состоянии | |||
| solid mixture: 8 phrases in 3 subjects |
| Astronautics | 5 |
| Firefighting and fire-control systems | 2 |
| Nanotechnology | 1 |
|
| |||
| смесь в твёрдом состоянии | |||
| solid mixture: 8 phrases in 3 subjects |
| Astronautics | 5 |
| Firefighting and fire-control systems | 2 |
| Nanotechnology | 1 |