 |
| |||
| обратная полярность постоянного тока | |||
|
DC reverse polarity : 5 phrases in 4 subjects |
| Electrical engineering | 1 |
| Electronics | 1 |
| Technology | 2 |
| Transport | 1 |
|
| |||
| обратная полярность постоянного тока | |||
|
DC reverse polarity : 5 phrases in 4 subjects |
| Electrical engineering | 1 |
| Electronics | 1 |
| Technology | 2 |
| Transport | 1 |