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