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

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

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