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

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