???????????????

??

2?10?????,??????????,???????????(????????????)???,8???????????,??????,????,?????????

????,???,???3??????????????????????????????????????,???????700??????????????????????,???98.2%?

????????(??????????)?????????8????????????????,?????????70????????????52?????????,?????????????????20??????

????,???????????????????????????????2?????????20???1?15???????,???500???,??????????(?????????? ????)

???:????

?????????

?????????????????????????

????????