??????????е???á???????????????????????ζ?????·????????????????????????????
????????Σ??????????????
??????С???????????????????
??????????PET??PA??AL??CPP??PVDC??PE??

??????????е???á???????????????????????ζ?????·????????????????????????????
????????Σ??????????????
??????С???????????????????
??????????BOPP??VMPET??VMCPP??KPET??PE??

??????????е???á???????????????????????ζ?????·????????????????????????????
????????Σ??????????????
??????С???????????????????
??????????BOPP??VMPET??VMCPP??KPET??PE??

??????????е???á???????????????????????ζ?????·????????????????????????????
????????Σ??????????????
??????С???????????????????
??????????PET??BOPP??VMPET??CPE??CPP??