Under these cir-cumstances,the removal efficiency of COD Cr ,organic phosphor and organic sulfu r are 68.5%,65%and 88%respec-tively,and the BOD 5 /COD Cr in the effluent raised from0.107to 0.36.是什么意思_Under these cir-cumstances,the removal efficiency of COD Cr ,organic phosphor and organic sulfu r are 68.5%,65%and 88%respec-tively,and the BOD 5 /COD Cr in the effluent raised from0.107to 0.36.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句