| |||
| mando continuo del tren | |||
|
continuous train control : 9 phrases in 3 subjects |
| Communications | 2 |
| Information technology | 4 |
| Transport | 3 |
| |||
| mando continuo del tren | |||
|
continuous train control : 9 phrases in 3 subjects |
| Communications | 2 |
| Information technology | 4 |
| Transport | 3 |