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????:?????????:???????????

????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??????

??,30????;?,????,???(?) ?????:???