???????????????
2???10????,?????????,????????(????????)??????????,8?,???,?????????,????
????????,???????????,?????3?????????????????????????,?700???????????????????????????????????????????????,??98.2%?
?????????(????????????)?????????8???????,???70?????52?,??????????20???????
????????,?2???????????????????????????????20????????????????1?????????15????,???500?????????,?????????????(??????? ???)
??????????:?????
??
???:????