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| атмосфера в зоне сварки | |||
| газовая среда в зоне сварки; среда в зоне сварки | |||
| welding atmosphere: 10 phrases in 7 subjects |
| Automated equipment | 1 |
| Construction | 2 |
| Mathematics | 1 |
| Metallurgy | 2 |
| Oil and gas | 1 |
| Technology | 1 |
| Welding | 2 |
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