常见例句The application of a natural polysaccharide flocculant(GNMF) extracted from a aceraceous plant stems and leaves to the treatment of different wastewater was studied. 研究了从一种槭科植物茎叶中提取的含多聚糖高分子絮凝剂(GNMF)在几种不同废水的处理中的应用。 返回 aceraceous