?? ???????????? 1500????????
????:1???????:???????
2?????150?
3???????????
4??????????
5???????
?????9???????22????????????? (?? ?????????????)?????????????21????????,??????????????????1500??????????
??????????????????????21????(??????????????????????)???????????,?,?????????175??????????????????,???60?????????????????????100??200??400?????????800????????????,?????????????????????????????????
?,???,??,?????????????????????????????,??????????,?????????
????????????????????11??09??????u18???????????????????????100???????“????????,??????????,?????”??????????,????,“???????,?????????,???????”?
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