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来源:雅诚德英语网
There are also some differences in color, white, yellow, brown three colors of poly aluminum chloride, here to show the difference between three kinds of different color use.
颜色也有些差别,一般有白色、黄色、黄褐色这三种颜色的聚氯化铝,下面来说明下三种不同颜色用途的区别。