????????????

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

?7??1?????????????? (????)???????7??1???????????9?????????????24????????????????????????????????????????????,????????????????????????????????(120??~160??????),???(??40??~60??,????????????80????)??(8?,??10??)???

6????30???7?7????1???7??,??????????????????????????????????????772??50????,????????22.1%;67??100??,??1.9%;?174.1???

???????,7????1????????????,?,??,??????????????(?) ???:???