 |
| |||
| three-conductor; three-wire | |||
| three-wire; three-conductor | |||
| |||
| three wire | |||
| three-wire | |||
| трёхпроводной: 33 phrases in 11 subjects |
| Communications | 2 |
| Electrical engineering | 2 |
| Electricity | 1 |
| Electronics | 5 |
| Mass media | 2 |
| Nautical | 1 |
| Rail transport | 1 |
| Technology | 8 |
| Telecommunications | 8 |
| Transport | 2 |
| Vibration monitoring | 1 |