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шовная сварка; роликовая сварка; линейная сварка |
缝焊接 : 122 phrases in 12 subjects |
Aviation | 1 |
Construction | 7 |
Electronics | 9 |
General | 22 |
Mechanic engineering | 1 |
Metallurgy | 5 |
Nautical | 2 |
Oil and gas | 1 |
Oil processing plants | 2 |
Pipelines | 1 |
Technology | 68 |
Welding | 3 |