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| 熔化极气体保护焊; 熔化极电弧焊 | |||
| 熔化焊条电弧焊 | |||
| дуговая сварка плавящимся электродом: 6 phrases in 3 subjects |
| General | 2 |
| Technology | 1 |
| Welding | 3 |
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