基本解釋[生物學(xué)]化學(xué)需氧量英漢例句雙語例句COD; chemical oxygen demand;化學(xué)需氧量;The COD(Chemical Oxygen Demand) standasrd method costs long time, heavy operation to get result.《水和廢水監(jiān)測分析方法》化學(xué)需氧量測定方法時間長,操作繁瑣。After 30 days' continuous running, the COD(Chemical Oxygen Demand) removal rate was improved to 82% and BOD(Biochemical Oxygen Demand) removal rate reached to 92%.污水處理系統(tǒng)運行到30 d左右時,化學(xué)需氧量(COD)的去除率達(dá)到82%,生化需氧量(BOD)的去除率達(dá)到92%。cod chemical oxygen demand更多例句詞組短語短語COD - Chemical Oxygen Demand 化學(xué)需氧量cod chemical oxygen demand更多詞組專業(yè)釋義生物學(xué)化學(xué)需氧量