?? ??????????????6?12?
????:1??????????????:?????????
2???????????
3????????
4????????
5???????
?:??27???????????????????????????,?,??????6??12??????
???:???????:??27???????????????????????????,?,??????6??12??????
???:??????????:1??????????????:?????????
2???????????
3????????
4????????
5???????
?:??27???????????????????????????,?,??????6??12??????
???:??????