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газовая защита (при сварке) |
气保 护: 129 phrases in 14 subjects |
Automated equipment | 1 |
Chemistry | 2 |
Construction | 3 |
Electronics | 13 |
Environment | 1 |
General | 53 |
Metallurgy | 3 |
Military | 1 |
Oil / petroleum | 2 |
Oil and gas | 1 |
Oilfields | 1 |
Technology | 36 |
United Nations | 3 |
Welding | 9 |