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

2??7????,?????A????,?????

???????????????????????????????????????????,???2??40??241????8??A????????????????????

??????????????????????????????,???????1500???????????????????????????????,???2?16???538??????????“???????????,????,???,??”?????????????????????,???????????

???????,???????,???????????????500?1000??????

????????,????500???;???????????????????????????????????????1000?????;??????????????1500?????????

(????? ???? ???? ?????????)

???:???