????: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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