生物固形物
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Bio Solids 生物固体
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
By the time the Ocean Dumping Act took effect, there were companies waiting to convert municipal "bio-solids" into an "effective soil conditioner and natural fertilizer".
海洋倾废法生效后，就有公司等待着将城市“生物固体”转换成为“有效的土壤改良剂和天然肥料”。
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