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11??????13??,?????????????????????,?????????????????????????,??????????

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11??????13??,???????????????????????????????????,??,???????????,?????14????????16??????,???????,?????

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9?11?????????????20???12???????20?????,????????????????????????????????????????,??????????????,?????????????????????????????????????????????(100~120????)???????????????????4~6?,?????????????????,?6~7??????

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9?????12?????20?????13???????????????20??,??????????????????????,?,?????????????????????????????????(50~90??)???4~7??

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9????13??????20??????14???????????????????20???????,????????????????,?,??????(50~70???????)?????????4~6??

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