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7??????,??,???????7??9?,?7~8????9??????????????8???????10??,?,???????????3~6?,??4~5???????,?6~8?????????????????

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8????9????????????????????,???????1km????,?200????????????????

10????7??????????08????8????08??,??????????????????????????????????????????????????????????????????????????????????????,????,??????????(25~45??)?????????????????????????4~6????????

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10????8???????08???????????????9????????????????????08?????,??????????????????????????????????????????????????????????????????????????????????????????,??,?????????????(25~45???????)?????5~6??