????:1??????:??????????

2??????????

3?????

4?????????

5?????????

????:????,????????????????????????????????,???,??4000???????????????3.7???

?????4000???

??,?????????,?????????????????????????????????????????????,?????????,?????

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??????6???,????????,?????????,????????????63.2%???????????????????,????

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

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?,????,??“??????”?????????????????????,??“00??????”????????????153%?

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