Guangzhou will establish a wastewater disposal center within three years. 廣州市將在三年內建成一個廢水處理中心。
Chitosan has been widely applied on the industry of effluent treatment owing to its good adsorptive characters and chemical properties. 摘要殼聚糖以其優良的理化性質和吸附特性在工業廢水處理中已得到廣泛的應用。
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