英语词汇“chemical oxygen demand”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	chemical oxygen demand
释义	chemical oxygen demand freq. 1 dict. 1 un.化学需氧量 [网络]化学耗氧量；化学的酸素要求量；化学需气量
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