... granular bed filter 颗粒层除尘器 ; 粒状床过滤器 granular filter material 粒状过滤材料 granular generally bed filter 粒状床过滤器 ...
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granular filter material residue 粒状残渣
granular filter material shoulder 粒料加固路肩
granular filter material frost blanket 粒料防冻层
The adsorption characteristics of phosphorus onto granular fly ash and its phosphorus adsorption ability as the material in filter bed for landscape water treatment were investigated.
研究了造粒粉煤灰的磷吸附特征，以及采用造粒粉煤灰为填料的滤床对实际景观水的磷去除效果。
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