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请问PP non-woven是什么材料?用于包袋的._ …

https://zhidao.baidu.com/question/65121230.html
Category: Plastic Toys  
请问PP non-woven是什么材料?用于包袋的.材料成分是纤维。 pp全称是polypropylene，中文名叫聚丙烯。non-woven 是非织造或者是无纺布。是将纤维通过气流或机械成 ...

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