;
;
和;The method for determine sewage's chroma is method of dilution multiple.It's easy to bring in error when using eyes to determine the diluted sample is whether achromatism or not.
污水
度的测定一般采用稀释倍数法,
法在用人眼判定稀释后的水样是否接近无时容易引起误差。
彩的）浓度，度The method for determine sewage's chroma is method of dilution multiple.It's easy to bring in error when using eyes to determine the diluted sample is whether achromatism or not.
污水度的测定一般采用稀释倍数法,法在用人眼判定稀释后的水样是否接近无时容易引起误差。
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