?????:????,?????????????550??

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

????????9???????????????19? ?????????19?????????????????“??”??????????,????,?,????????550?????,????6700???????????,??????????,?????74%?

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

????,?????“??+??????????”?????????????,??????????,???????????????26??????????????????,??,??????,???????????,???7????16???????????????????,????,????????????????400???,???????????,????????????????????????????????????????,????????6.6????????????????????????????,???7????19??,????????????????????,??1????,????????30??,???????????????????,????550?,????????6700???????????????????????????????????,??????????????????,???????74%?

????????,????????????????,??????????????????????????????????????,??????“??”?????????????????????????,??11???“??”?????????13?“????????????????”????????????????????,????????,?????????????,????,????????????,??????,??????????62%??????85%? ???????????:???