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3??????150??
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5???????
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10???????13????????????????????,??,???4~6?,?,???????????????????????????????????????????????6~8?,??10??????????????????;15?,??????0???????????????????????????????????????????4~5?????????????????????????????,??????,10??????,?????????
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12??????10?08??11????08???,?????????????????????????????????????????????????,?,????????????????(10~14???????)???????????????????????????5~6??,???????7~8??
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