 |
| |||
| сварка на прямой полярности тока (Technical) | |||
| straight polarity welding: 3 phrases in 3 subjects |
| Electrical engineering | 1 |
| Technology | 1 |
| Transport | 1 |
|
| |||
| сварка на прямой полярности тока (Technical) | |||
| straight polarity welding: 3 phrases in 3 subjects |
| Electrical engineering | 1 |
| Technology | 1 |
| Transport | 1 |