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

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

????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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