ethylene naphthalene
英 [ˈeθɪliːn ˈnæfθəliːn]
美 [ˈeθɪliːn ˈnæfθəliːn]
苊
双语例句
- Polyethylene naphthalene-2,6-dicarboxylate is an excellent new polyester material. Its structure is similar to Polyethylene ethylene terephthalate, except in PEN a naphthalene circle was substituted by benzene.
聚2,6-萘二甲酸乙二醇酯（PEN），一种新型性能优良的聚酯材料，其结构与聚对苯二甲酸乙二醇酯（PET）相似，PEN是以萘环取代了PET中的苯环。