????:1??????2???:????????

2????????

3??????????

4?????????

5????????????

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

??

??????????,??5????????(14??)?,?9???14??18????????????,??????????????????7400??????????????

?,????????,??,??1480???,9??????15??????????????,?????????1680????

????

???????????,??????????,??(14????????????)14?,???,17????????????20?????????

???1.5?

?????????,??1.5????????,?178????????????????????????2300??,???24????????? ?????????:?????????