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2?????????

3???????

4???qq??

5??????50??

?????6????12?????????? ???????,??,?????“??”?????????????,???????????????????????????????????????????????????????????????35~39??????,???????????????????????40~43.4?,????????40??????,???41.2????????????????40?????,6????6??????????????

???????????,?14???????????????,????????????????????????????????????????????????????????????????????????????????????37~39?,?????????????????40~42??

????????????????,????,????????????????????????????????????????????????????????????????????????????????8~9??,??10~12?????,???????????,???????????????,??????????????,???

????,??,????????????????????????,????????,???????????(100~120??????)?13-15??????????????,???????????????????,??,????????????????????????

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