| |||
| радиоэлемент (oleg.vigodsky) | |||
| |||
| радиоактивный элемент | |||
|
radio element : 4 phrases in 3 subjects |
| Astronautics | 1 |
| Radio | 2 |
| Telecommunications | 1 |
| |||
| радиоэлемент (oleg.vigodsky) | |||
| |||
| радиоактивный элемент | |||
|
radio element : 4 phrases in 3 subjects |
| Astronautics | 1 |
| Radio | 2 |
| Telecommunications | 1 |