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。
"Has come an accent preserved egg, but also a your five tiger Chinese", after the mountain sea has a good swim, the respect guardian, you will discover, "my child has changed"!
“来了一个调皮蛋，还你一个五虎汉”，山海畅游之后，尊敬的家长，您会发现，“我的孩子变了”！
"Has come an accent preserved egg, but also a your five tiger Chinese", after the mountain sea has a good swim, the respect guardian, you will discover, "my child has changed"!
“来了一个调皮蛋，还你一个五虎汉”，山海畅游之后，尊敬的家长，您会发现，“我的孩子变了”！
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