?? ????2.7???????????????????
????:1????????:????qq?
2???????
3??????
4???????
5????F?
??2??5??? (?????????????? ????????????????)?2????????????????5?????????????????,????(1????????????????????28???2??4?????????),????????????(??????????)?????????????????????47?????2.7???????????????????,?????????110%?
1??27?????????,?????? ?????????,???????,???????????,?????????????
?,?,??97%,????,?????????????????????????????????????????????
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