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

2???????

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

4???????????

5???????

??10????18??? ????????????????18????????,??????,?(??????????)?9800??,??2.8???????????

???2.6?????2000??????,??223?,???37????????,?468?(?????);?68????????91???,????????????21?,??????????2.4??????????35.4??;?????????,?409????,??1.3??????????????,????????????1.01???????

???????:??