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| лёд средней сплочённости | |||
| medium ice: 13 phrases in 7 subjects |
| Hydrology | 3 |
| Makarov | 1 |
| Navigation | 3 |
| Oceanography & oceanology | 3 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Sakhalin | 1 |
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