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| рассредоточенное загрязнение (поверхностным стоком) | |||
| рассредоточенное загрязнение (преим. поверхностным стоком) | |||
| загрязнения многими факторами | |||
| nonpoint pollution: 11 phrases in 4 subjects |
| Ecology | 4 |
| Energy industry | 2 |
| Makarov | 2 |
| Water supply | 3 |
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