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????:??????????:???????????

????12??????19???????? ??????,???????,??????????????,??????????????????10?,??????12~15???;??????,???????0???????????????,???????????

??,??????,?????????????????????????????????????????????????????,????????????????????????????????????????????????????????????3~4?????????0?????,??????,??,????????

????????:?????????????

????19-21??,??,??,?????????????????????????????????????????????????4~6?,????2~4?,??????,??????????6~8?,????10??????????????????4~5??????,??6~8?????

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