• At present the commonly used high polymer material has gathers the multi-carbohydrates, the amino acid, the ethyl cellulose, the polyvinyl alcohol, the polyacrylic acid, the polystyrene and so on.

    目前常用高分子材料聚多糖类、氨基酸类、乙基纤维素聚乙烯醇丙烯酸聚苯乙烯

    youdao

  • At present the commonly used high polymer material has gathers the multi-carbohydrates, the amino acid, the ethyl cellulose, the polyvinyl alcohol, the polyacrylic acid, the polystyrene and so on.

    目前常用高分子材料聚多糖类、氨基酸类、乙基纤维素聚乙烯醇丙烯酸聚苯乙烯

    youdao

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