 |
| |||
| переполюсовка линии (oleg.vigodsky) | |||
|
line reversal : 4 phrases in 4 subjects |
| Firefighting and fire-control systems | 1 |
| Physics | 1 |
| Quantum electronics | 1 |
| Silicate industry | 1 |
|
| |||
| переполюсовка линии (oleg.vigodsky) | |||
|
line reversal : 4 phrases in 4 subjects |
| Firefighting and fire-control systems | 1 |
| Physics | 1 |
| Quantum electronics | 1 |
| Silicate industry | 1 |