... 生物滤池腐殖质泵 humus pump 接触生物滤池 contact biological filter 生物滤池法 filter process ...
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biological contact oxidation filter cell 生物接触氧化滤池
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Cheap sand was used as filtration material in the biological contact oxidation filter to study the effects of fe removal under different conditions.
以廉价的河砂为滤料，研究了接触氧化装置对铁的去除效果。
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