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| энергия на собственные нужды | |||
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辅助能 : 21 phrases in 9 subjects |
| Aviation | 1 |
| Construction | 1 |
| Education | 1 |
| Electrical engineering | 1 |
| General | 9 |
| Mathematics | 1 |
| Nautical | 1 |
| Oil processing plants | 2 |
| Technology | 4 |
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