????:1????????:????????????

2??????

3???????

4??????????

5???????

?????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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