 |
| |||
| цевка | |||
| bell tube: 5 phrases in 5 subjects |
| Electronics | 1 |
| Metallurgy | 1 |
| Nuclear physics | 1 |
| Roll stock | 1 |
| Радиоактивное излучение | 1 |
|
| |||
| цевка | |||
| bell tube: 5 phrases in 5 subjects |
| Electronics | 1 |
| Metallurgy | 1 |
| Nuclear physics | 1 |
| Roll stock | 1 |
| Радиоактивное излучение | 1 |