 |
| |||
| telephone switching system | |||
| телефонная система коммутации: 22 phrases in 6 subjects |
| Computers | 1 |
| Electronics | 1 |
| Mass media | 14 |
| Military | 4 |
| Telecommunications | 1 |
| Telephony | 1 |
|
| |||
| telephone switching system | |||
| телефонная система коммутации: 22 phrases in 6 subjects |
| Computers | 1 |
| Electronics | 1 |
| Mass media | 14 |
| Military | 4 |
| Telecommunications | 1 |
| Telephony | 1 |