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| извлечение нефти | |||
| сепарация масла (sewage) | |||
| добыча нефти; отдача нефти | |||
| вытяжка масла | |||
| extraction of oil: 7 phrases in 4 subjects |
| Education | 1 |
| General | 4 |
| Makarov | 1 |
| Production | 1 |
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