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1?31????2?2?,??????????????????????????,???????????????????,?????????????????????2~4????,??????????6????,?????????????,?????

2??2??????????????????3????,???????????????,?????????????????4~6?,??????????????????6~8?,?????4~5????,??????????7~8???????6~8???????????????????????9?????????????????,??,?????????????????????????,????5~7?????8~10???,??11????????

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???????????????????,1????????31????????????????????2?????????????????1??,????????????????????????????????????1?,?????500??????

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1????31????????????08??????2??1????08????,????????????????????,???????,????????????????????????????????????????????????????????????(10~15????)?????????????????????,???????(25~30?)????????????5~7?????????????????????????????8~10????????????????????????11?????

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2????1????08????2?????08??,?????????????????????????????,?,?????????(5~7??)???????????????????????????????????????5~7?????????????????8~10?????

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2??????2?08????3?08??????????,??????????????????,?,?????(5~6????)???????????????????????????????????,????????????????????4~6??,?????,?6~7??????????,?7~8????????

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