???????????1.7???????? ???2.6??

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????????,?1.7?,??6.3????????????1??10??????????????????,??????????????????????????????????????????????????????????????????????2.6???????

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

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?,???“????”??????????,??1000?????????????????,??,?????????????“??????????????????????????????”????,??????

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

????????? ?????????????????????:???28.6?????,??????????????700??,??8500??????????????,??12????????????(??????????????) ??:???????????????