 |
| |||
| 累積時間; 総時間 | |||
|
durata : 31 phrases in 13 subjects |
| Accumulators | 1 |
| Electric motors | 1 |
| Electric traction | 2 |
| Electricity generation | 6 |
| Electronics | 1 |
| Lighting other than cinema | 3 |
| Magnetics | 2 |
| Microsoft | 3 |
| Power system protection | 6 |
| Radio | 1 |
| Sound recording | 1 |
| Telephony | 1 |
| Vacuum tubes | 3 |
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