 |
| |||
| حالي | |||
| حديث | |||
|
bieżący : 16 phrases in 7 subjects |
| Antennas and waveguides | 1 |
| Electronics | 1 |
| Mathematics | 1 |
| Microsoft | 8 |
| Radio | 2 |
| Thermal Energy | 2 |
| Vacuum tubes | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips