printing and dying wastewater 基本例句 印染废水 Experimental water includes analogue dye wastewater and practical printing and dyeing wastewater.试验用水包括模拟染料废水和实际印染废水两部分。 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。