?? ?????????:?????????
????:1?????????:?????????
2?????????
3???????
4??????????
5??????????
? ????????????????? ???
?2?7?? (??? ?????????????????? ??????)??2??7???,???????????????????????,?23??,???(???)
??:?????????????????2?7?? (??? ?????????????????? ??????)??2??7???,???????????????????????,?23??,???(???)
??:????????????????????:1?????????:?????????
2?????????
3???????
4??????????
5??????????
? ????????????????? ???
?2?7?? (??? ?????????????????? ??????)??2??7???,???????????????????????,?23??,???(???)
??:????????????????