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????????????????650??200??500????????????????????????????????
???????????y???????????????˥??????????????????????????è????????????????13?109??????????e?????????????12.8???3.8?????????????????????????????
?????????????????????????s????????????????????????k?????????????????????????????????????200?????500??????2.3??1.5??5000????????????????????????????????9?30???19.8?92009????2010??????4??
????,?????????n??????????????????????????????80??4??????????????????????????????????č?????????80%?????è????y???????????????i????????????????
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