2???????????????????????7????????????????,?????????????“??????????”,?????

“??”????????????,??,???????????????????“?????????,???????????????”???

??????????????“????”???????????,?????????????????,????????????????28.55?????????????????;????;?;?????56???,??56???????;??????????????,???????????????????????7080???????????LED??,?????120?????????????????,?????????????,????,???????,????????????,?????

(???? ????????)

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

??“??????”????

?? “???????????????????”????!??

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

2?????????400?

3???????????

4???92?

5?????????

2???????????????????????7????????????????,?????????????“??????????”,?????

“??”????????????,??,???????????????????“?????????,???????????????”???

??????????????“????”???????????,?????????????????,????????????????28.55?????????????????;????;?;?????56???,??56???????;??????????????,???????????????????????7080???????????LED??,?????120?????????????????,?????????????,????,???????,????????????,?????

(???? ????????)

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