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2???????

3????????????

4????????

5????95

??6??30??????? (??????)???30??9??????24????????????????????????????????,?????????????(120~160?),??(????30~50?,???????60??)???(8??????????)???????????

29????20???30?7??,???????????????????????????????????????????????????????????????790??50??,????18.9%;41????100????,?????1.0%;??150.3???

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