 |
| |||
| through-switching exchange | |||
| tandem exchange; through switching exchange; tandem office; via office | |||
| транзитная телефонная станция: 4 phrases in 2 subjects |
| Mass media | 3 |
| Technology | 1 |
|
| |||
| through-switching exchange | |||
| tandem exchange; through switching exchange; tandem office; via office | |||
| транзитная телефонная станция: 4 phrases in 2 subjects |
| Mass media | 3 |
| Technology | 1 |