track circuit
with | polarized relay
| track circuit abbr. | |
| transp. el. | circuit de voie |
| polarized relay abbr. | |
| el. | relais polarisé |
| |||
| circuit de voie | |||
|
track circuit : 62 phrases in 6 subjects |
| Communications | 2 |
| Electronics | 4 |
| Hobbies and pastimes | 2 |
| Information technology | 4 |
| Rail transport | 13 |
| Transport | 37 |