Preserved egg wastewater which contains high concentration of heavy metal, salt and organic pollutants is very complicated.
皮蛋废水水质相当复杂，既属于含重金属离子废水，又属于中等浓度含盐有机废水。
Preserved egg wastewater which contains high concentration of heavy metal, salt and organic pollutants is very complicated.
皮蛋废水水质相当复杂，既属于含重金属离子废水，又属于中等浓度含盐有机废水。
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