??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
?????????
??????
??????
??????
??????
??
??????????29~32?
??????????29~32?
??
????:
1???????:??????
2?????
3?????????????
4??????
5???????
????
6
%
???:??