dyeing and printing wastewater 基本例句 印染废水 Molecular structure base of coagulation decolorization technology fordyeing and printing wastewater.印染废水混凝脱色技术的分子结构基础。 Printing and dyeing wastewater was treated by the two wastes, iron scraps and fly ash.摘要利用废铁屑与粉煤灰两种废物集合处理印染废水。