?? ??????????????!??????????
????:1?????????:????
2??????????
3??????60???
4??????????
5????????
??(9??5??????????????),???,????
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???????????7???,
????1200???????????,
????27???42?????????????????????70??????80???,
???40??????????????2????10??7???????????????42???
???????????????????,?????????????????????70%???,??13??????????????????
?,???????????????,??????????,
????????1.75?,
??1.22??,
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