The film has a core layer of cyclic olefin copolymer (COC), outer layers of polypropylene and a surface layer of polyethylene laminate.

 
  • 这部影片的核心层的环烯烃共聚物(奥委会) ,外层聚丙烯和表面层的聚乙烯板。
今日热词
目录 附录 查词历史