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

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

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

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

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

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

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

????:???