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

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

?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???

????:???