????:1???????????:????????200??

2?????

3???????

4??????????

5?????????

??1?????????2???????????????? (??????????????????? ????????? ?)?2???,?????????4.8???????????,???????????????,?????????

????????????????,1?2??????????10?????????????1?????????????????,?????????4.8??????????,?10????

??,?,?????????????????????????????????????,??????????????????????????????????????,??

?????105??20??,??2??4???????440?????86??????????????????13???(??) ???:?????