| |||
| supplementary relay; additional relay (ssn) | |||
| optional relay | |||
| |||
| additional relays (ssn) | |||
|
дополнительное реле : 2 phrases in 2 subjects |
| Rail transport | 1 |
| Technology | 1 |
| |||
| supplementary relay; additional relay (ssn) | |||
| optional relay | |||
| |||
| additional relays (ssn) | |||
|
дополнительное реле : 2 phrases in 2 subjects |
| Rail transport | 1 |
| Technology | 1 |