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

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

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

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

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

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

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

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

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

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