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| дуговая сварка в среде защитного газа; дуговая сварка в защитных газах | |||
| 气体保 护 电弧焊: 19 phrases in 5 subjects |
| Electronics | 4 |
| General | 7 |
| Oil / petroleum | 1 |
| Technology | 6 |
| Welding | 1 |
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