??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
CBA???(?????????)???
CBA???(?????????)???
??
????:
1??????150???:???????
2??????????
3???????????
4??????vx
5?????????
????
6
%
???:??