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????:??????:2023??qt????????

??????9??27????????? (?????? ??????????) ????75?????,?????????,?????????????????????????????10??????,??????????

????????????????????????????????????260?????????,????????,???????????,???????1.6??????,?????????????

???,??,???????????????????????????5???????????????????80?????????,??,???????????????????????????????60??????????????18??????2????,??????

9???29??????10??7????,??2850?????,????24:00?????,????????????,????????????75?????????

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????????????,???????????????????,???????????????,????????????????????????????????,?????,????????“????”???

?????66%,???78%,?????????LED?????????????????,???121????859????????????????????PETG,???,????LED????,????????????(???????????????????)

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