19790301 2022-11-18 07:36 开发者_开发百科阴离子聚丙烯酰胺大概12元一公斤，一袋是25公斤，一袋300左右，阳离子聚丙烯酰胺是18元一公斤，一袋是450元，具体的要看你要哪种型号，分子量是多少的，价格会不一样[详细]
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