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5????????????

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6????????-7???????????????,?,????????????????????????????????????3~6?,????????????????????????8?,?????????,?????,??????????,??,???????????????4?,?????????????6~7???

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10?????????????????6?????8?7?8?????,?????????????????????????????????????????????????????,?,???????????(50~80??????)??????????????????????4~6???

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10??7??8??8?????????????8?????,?????????????,?????,????(50~70?)???????????????????????????????4~5???

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10??8?8???9?8?,????????????????????????????????,?,???????????(50~90????????)????????????????????4~6??????????,??????,?6~7???????

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