chemical process to remove cod
chemical process to remove cod
去除cod的化学过程
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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An experiment was made on the pharmaceutical wastewater treatment with the contact oxidation process by adding effective microorganisms (em) to remove the chemical oxygen demand (COD).
应用生物接触氧化法投加有效微生物菌群(EM)对制药废水中化学需氧量的去除效果进行试验研究和分析。
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