?? ???????????:????818.6???,???48.8%
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3?????????
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5????????
?11????????22?? ??????????22?????????????????????????,??????????????????????????,??????
???,???,???????29????,?????????????????????????????????????????????????????????15???,?????????
????????,?????,????,???????????????,????????,????????????????????????818.6????,??48.8%;?????????????????????,??????488.5???????,??????78.6%?
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