sewage biological chemical treatment
biological pre treatment 生物预处理 sewage biological chemical treatment 污水生化处理 biological sewage treatment works 生物污水处理厂 ..
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sewage biological chemical treatment
污水生化处理
以上为机器翻译结果,长、整句建议使用 人工翻译 。
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Regarding to the high concentrations of nitrogen, phosphorus and organic matters in fecal sewage, the productive research on treatment of fecal sewage by biological/chemical process was performed.
针对粪便污水的氮、磷和有机物浓度高的特点,开展了生物—化学工艺处理粪便污水的生产性试验研究。
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