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

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

?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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