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2????16?????????,??1??????,???????????????????????????????????????,????200???????2?????16???????06??????
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2??16????8?????17??????8??,???????????????????????????????????????,?,?????????????????,?????????????????(5~9??)????????????????????????,??????,??????????????????????????????????????????????????????????????????????????????????????????4~6??????????????????????????????????????????????5~7???????
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2?17??8?????18?8?,????????????????????,??,?????,???????????(5~7??)????????????????????????????????????????,??????????,????????????????????4~5????;????????????????????5~7??????
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2??18????????????????8??????????????19?8???????,????????????????????????????????????????????,??,??????????????????????????????????????????????????,??????????????,???????????????????????????????,?(25~40?)?????????????????????4~5??????????????;???????????????5~7??
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