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2?????600????

3???????

4???????

5?????

????????????2???????????7?(????? ??)7??,??????????????????A??????????????????,????????

7?,????? ?? ???

????????????????,??????2????40???241??????????????????????????????8?A??????????????

????,????????????1500???????,??2????16???538????????????????“????????????,??????????????????????????????,???????????????,?????”???,??

????????????,?????????????????,?500?????1000??

?????????????????????,??????????????500?????;??????????????????????????????1000???;????????????????1500??

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