 |
| |||
| frecuencia de las pruebas | |||
| frecuencia de ensayo | |||
| test frequency: 9 phrases in 7 subjects |
| Communications | 1 |
| Electric motors | 1 |
| Mechanic engineering | 1 |
| Sound recording | 1 |
| Technology | 3 |
| Transport | 1 |
| Water resources | 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