??4.8?????277?????? ???????

????:???????95?:???51??

?????????????????6???13????????? ?,???13??,??,???5???30?,??????????????????277?,????????100??

?????,??,??239????????????????????,???????????,?????,??

6?????????????12?8???????????????26?????49??????????????,???4????4.8???????35.7???????,??126.71??????,????17??,??????0.6~3.1??,???2??

??????:??