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борьба с аварией |
防事故 : 51 phrases in 12 subjects |
Aviation | 4 |
Construction | 1 |
Education | 1 |
Electrical engineering | 2 |
Electronics | 3 |
Firefighting and fire-control systems | 1 |
Forestry | 1 |
General | 20 |
Law | 1 |
Nautical | 1 |
Technology | 14 |
United Nations | 2 |