N-PLURAL semisolid or solid organic material obtained from the recycling of sewage, used esp as a fertilizer 生物固体; 从下水道污泥回收而来的半固体或固体物质，被用来做化肥
In wastewater treatment, flotation is used principally to remove suspended matter and to concentrate biosolids.
在废水处理中，浮选主要用来去除水中的悬浮物和浓缩生物颗粒。
The utilization of mixtures of fly ash and biosolids in soil amendment is suggested to be one of the best methods of solid waste disposal and utilization.
认为粉煤灰与若干有机固体废弃物配施具有良好的土壤改良效果，也是我国固体废弃物处置和利用的最佳途径之一。
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