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pet料|化学视窗
> 有关“pet料”的文章
  • pet料 - pet再生料进口

    pet料 - pet再生料进口

    前言:PET是什么材料聚对苯二甲酸乙二醇酯,化学式为[COC6H4COOCH2CH2O]n。(英文:Polyethylene terephthalate,简称PET),由对苯二甲酸二甲酯与乙二醇酯交...

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