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| steam generation | |||
| получение пара: 14 phrases in 9 subjects |
| Chemistry | 1 |
| General | 1 |
| Makarov | 3 |
| Mass media | 1 |
| Oil / petroleum | 1 |
| Sakhalin | 1 |
| Solar power | 1 |
| Technology | 3 |
| Thermal engineering | 2 |
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