| |||
betingad lägesspärr | |||
blockéring; låstillstånd | |||
kortstockning | |||
förregling; lå̀sning | |||
| |||
blockeringskontakt |
encravamento : 60 phrases in 10 subjects |
Communications | 2 |
Earth sciences | 1 |
Electric traction | 3 |
Electrical engineering | 3 |
Electronics | 13 |
Information technology | 1 |
Mechanic engineering | 5 |
Rail transport | 7 |
Telegraphy | 1 |
Transport | 24 |