同时给出了化学耗氧量（COD）和总有机碳（TOC）之间的线性关系方程。
Simultaneity give out the chemical oxygen consumption(COD)and total organic carbon(TOC)the linear relationship equation.
同时给出了化学耗氧量（COD）和总有机碳（TOC）之间的线性关系方程。
Simultaneity give out the chemical oxygen consumption(COD)and total organic carbon(TOC)the linear relationship equation.
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