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?,???4.36??,??????????????,??????????????????????????????????1000???????19%?

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?? ?????:??????????,????“?????????”???????,???????????,?????

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?????????????? ????:?????,???,?????????????????,??1.44????????????????1.85??,??67%?55%??????????

????????941.35??????

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?????????????,???????????????7500???????????,???????????????5????????????????????90????????120????,?????????????7?????????????14????,???

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???,???“???????????”,?????,???????????????????????????,????20%??????????????????????????,???98.7????????????????????23.6??????????????????

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