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??????????????????2????????????????????????7? ?????????????:????????????????????,??????????,????????????????6?????

??,????????????6?,????????????1?????26?,???????????????6000???????????????,5???,?????????5.2????,????6?,???7??4.0?????????????

?????????????????,???????,????????????????????6???????????????,?3?????????????3?????

??,?????????????20000????????,????340??????????????,?????????11000??,???????

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