... 污水流 sewage flow [垃圾]沼气 sewage gas 下水淤渣 sewage grit ...
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sewage grit chamber 污水沉砂室 ; 污水沉沙池
·2,447,543篇论文数据，部分数据来源于NoteExpress
Grit, fly ash, cinder residue, active carbon, air brick detritus were used as filtering media according to proper proportion for low concentration domestic sewage treatment.
选取粗砂、粉煤灰、细煤渣、活性炭和空心砖粉块作为介质，再按适当的比例配成填料处理柱，进行处理低浓度生活污水的研究。
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