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????,16????????????????17?,???????????????????????????????????4~6?,??????8????????,2??????????????16????8?????????????????17??8????????????,?????????????????????????????????????????????5~6????????7~8?;???????????????????????7??????????????????8???????????????2?16?6??

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16???????17??,????????????,??,????????,????,???????????????????????,?????

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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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