????:1????????:???????

2?????????

3??????

4????????

5?????

?????????????????6????????28????? (???????????????????? ??)???28???

????????:?,6?28??????,??????????????????????????,?????7??16?????,??7800????????????????

?????????????? ???????????

?:???????,??????,??????????????????????????????????,????????????????????

???????,?????????,??????????????????????????????????,??(???????????????????)

??:???????????????????