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生物预处理
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生物预处理
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水处理
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biological pretreatment
生物预处理
借助于微生物群体新陈代谢活动,去除水中的有机物、氨氮、亚硝酸盐,以及铁、锰等无机污染物的生物处理工艺。
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grassland ecosystem
grassland ecosystem services
grassland ecotourism
grassland enclosure
grassland establishment
grassland ethnic tourism
grassland evapotranspiration
grassland expert system
grassland fence
grassland fertilization
grassland fire disasters in China
grassland folk tourism
grassland health tourism
grassland hydrology
grassland hydrology and water resources
grassland in Aba
grassland in Altai
grassland industry of China
grassland in Ganzi
grassland in mountain areas of southern China
grassland in northwestern Sichuan province
grassland invasive plant
grassland irrigation
grassland irrigation cycle
grassland irrigation efficiency
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