... synthetic soil conditioner 合成土壤改良剂 ; 合成土壤调理剂 natural soil conditioner 天然土壤改良剂 silicic soil conditioner 硅酸质土壤改良剂 ...
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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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