????:1????????????:????????????

2????????????

3?????QQ?

4???????

5???????????

????????6????20?(??????????????? ??)??20?????,??,6?19?????????????8??20????8??,?????,???????????????????????????????????????????????48??79?????0.03????5.07?????

20?8???,?????????????????????????????????24???41????0.06????5.07????23.24??(??18.5?),?4.74???,?37000??;??148.40??(????146.0??),???2.40??,?5420?,???

?,??24??,??,?0.2?0.8????????????????,???????????????1.0????????????????????3.0??????;??4.0??5.5???????(??) ???????:??