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| oil production and reservoir (Yeldar Azanbayev); oil production and development (Yeldar Azanbayev) | |||
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добыча и разработка : 15 phrases in 7 subjects |
| Caspian | 3 |
| Ecology | 2 |
| General | 3 |
| Gold mining | 1 |
| Oil / petroleum | 2 |
| Production | 3 |
| Trade classification | 1 |