?:??????
??“????????”????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
?1?4????????????
?1?4????????????
??
????:
1?????????:????????
2?????
3???????
4???gm????
5???????
?:??????
????
6
%
???:??
