接下来轮到生物高聚物聚羟基脂肪酸酯。而聚氯乙烯(pvc)和聚对苯二甲酸乙二醇酯(PET)则排在了名单的最后。

The biopolymer polyhydroxyalkanoate came next on the list. Polyvinyl chloride (PVC) and polyethylene terephthalate (PET) were ranked last.

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介绍食品保鲜膜的主要材质：聚乙烯（PE）、聚氯乙烯（PVC）、聚偏二氯乙烯（PVDC）；

What materials made up food wrapper: polyethylene(PE), polyvinyl chloride(PVC), poly(vinylidene dichloride)(PVDC);

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介绍食品保鲜膜的主要材质：聚乙烯（PE）、聚氯乙烯（PVC）、聚偏二氯乙烯（PVDC）；

What materials made up food wrapper: polyethylene(PE), polyvinyl chloride(PVC), poly(vinylidene dichloride)(PVDC);

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