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

2????????????

3????????

4?????98?

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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