 |
| |||
| conduttura | |||
| цеви: 14 phrases in 5 subjects |
| Cables and cable production | 3 |
| Electric motors | 1 |
| Electrical engineering | 5 |
| Thermal Energy | 1 |
| Vacuum tubes | 4 |
|
| |||
| conduttura | |||
| цеви: 14 phrases in 5 subjects |
| Cables and cable production | 3 |
| Electric motors | 1 |
| Electrical engineering | 5 |
| Thermal Energy | 1 |
| Vacuum tubes | 4 |