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

2??????

3????????????

4?????????

5?????????

???9????????????????5??????? ???????????5?????????????????????????????,??,??????????????,?????

???????????????,???????,????????????50??,???,????????????????7????,?????1200?,???????????27???????????42??70????????????80?,??40???2??????????????10???????????7?42?????????????

??????????????????????????????????????????????????????????????????,???70%?????????,?????????????13?????????????

???????????5??,??12?????????????????????????????(?)????????????,???8100??????????????,?????? ??:??????????