剩余污泥减量
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excess sludge reducing
减少多余污泥
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Great amount of sludge is produced during aerobic biologically wastewater treatment. Excess sludge treatment process is expensive, thus, reducing excess sludge production becomes extremely impetus.
污水好氧处理会产生大量污泥，剩余污泥的处理成本高昂，减少污泥产量势在必行。
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