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????:??????????:?????????

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

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????????,?????1/5?????,???????????????????????????,?????????“????”?????,???????????120????160???,??????8??????????????,??????????????????????,???????????,????????24?????

?????? ?????????????:?,???,??????????,???????????????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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