??????????????????

????:????????:???????

????1?23??(??????? ??????????????)1???22?????,????????????,????????????????“???”,????????,??????

??????,?2025???2024???????????????12???????????,?????????,?,?????????????“?????????”,????????

??????? ??

?????????????,2025???????,??“????”PETG???????,PETG?????????????,??,???????????????????,??“???”,????????????????????????,?????

?????1.2???,??1.28?????,??20????????????????????????????3.4?????,???????1.28??????????????,?????????????30???,??????????,??????????????????4???

?????“?”??????????????????????????,??242???????????????????????????862?100???????????????“?”,??????????“??”???

?????????????? ??

22??????????????,?????????????????????????????,????????24??????????????????,??????????????,??????????????????????????????,?????????????,??,??????????????????????????????????

??????,?????????????????,?124???????????,28???,???????????,??

??24???,????????????????????????,?????,?,???????????????,????????????????????????????????(????????????????????????????)

?????:????????????????????????