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

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

?????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????,????????(????)

??:????