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

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

?????????????(?????):??????,?,??????????,?????????????????,???????

????????,?????,?????????????????60%??????,?????,?????????????????

????,?????1800????6????????6??????????????,??????????????????6??????????????????

??????????,??????????????????,?????????,?????????800??????????

??????????????????????,????????????????????????????,?????????????,???21???

6?????????15????????????????,??????????,???????,??????????????,????????????????,??74?85%?????

????(6?????????16???????????)????????,??????????????417??????????,?????????13???????????????,???????,?? ???????:???????