?? ???:???????????818.6???,????48.8%
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2?????
3?????
4?????????
5??????
???????????11????22??? ???22?????????????????????????????,??????????????????????????,?????
?????,????????????????????,????????????????29?????,????????????????????????????????????????15??????,???
?????,????,??????????????,??????????????,???,???????????????818.6?????????????,?????48.8%;????,??????488.5????????????????????????,???????????????78.6%?
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