 |
| |||
| サービス信号 | |||
|
segnale di : 24 phrases in 11 subjects |
| Antennas and waveguides | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| Microsoft | 1 |
| Power lines | 3 |
| Power system protection | 1 |
| Rail transport | 10 |
| Sound recording | 1 |
| Telecommunications | 1 |
| Telegraphy | 2 |
| Vacuum tubes | 2 |
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