2?????7????????,????????????????“???????”,??????????????
“?????”??,?,????“????,?????????”???
?“??????????”???????????????????,?????,??28.55?;???????????????????????;????????????;????56????????????????,???????????56????????????????;?,??????????????????????????????7080?????????????????LED??????????????,????????120?????????????????????,??,????????,????????????????????,??????????????,??????
(?? ????)
???????????????:??????
????!????????????????
??:“??+????”?????????
????????:??????2?????
??????????????:??7????
?????????????????????
????!????????????????
?????????6.5??????????
?????????????????????
??????!??????????????
??????!????????:???3??
15???????????????????
CBA???????????????????
???????????:?????????
????????????????7????
?????????????10???????
?????:??????????????
??????????????????????????
??????????????????????
??!??????????????????
?????????????????????
??:???????????21????
????????????
46???????????????????
15???????????????????
??|????????!??????????