 |
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| environmental research | |||
| исследования по охране окружающей среде: 12 phrases in 5 subjects |
| Ecology | 4 |
| Energy industry | 5 |
| Sakhalin | 1 |
| Scientific | 1 |
| Water supply | 1 |
|
| |||
| environmental research | |||
| исследования по охране окружающей среде: 12 phrases in 5 subjects |
| Ecology | 4 |
| Energy industry | 5 |
| Sakhalin | 1 |
| Scientific | 1 |
| Water supply | 1 |