英语词汇“biochemical oxygen demand”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	biochemical oxygen demand
释义	biochemical oxygen demand noun : the oxygen used in meeting the metabolic needs of aerobic microorganisms in water rich in organic matter (as water polluted with sewage) — called also biological oxygen demand
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