Eisel Serrano mother. Is PeoplePerHour legit. 化學 需 氧 量 COD 是指用化學方法氧化耗氧 有機物 所需的 氧 量 常用以表示水受到耗氧 有機物 汙染的程度 若 化合物 的 莫 耳.

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