????????????? ???4.6????

????:????:???????KB???

????2??4?? (???????? ???)?????“??”“????? ??”???240????????,??????4????,??????????4.6???

?????????,??????????31??????????2220??,???????16.6%?16.5%,?2550????240???????????;????6??????????????12???,????????1.5??,?????????45%,????????????8%?

????,???????????????????????????????2100??????????????????,??????????,????1634?????????5.1%,????160.1?(???????????????,???)????????????????42.9%?

????,??????????,????????,“??????+”??,??????????,“????”?,????100%?

??????????????,?????????????????,???“????”?????,???“?????????”????????273??????,????(??)20??????,???????????(????) ?????:????????????