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

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

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

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