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

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

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

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

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

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

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

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

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