?? ?????????????4.8??????? ???
????:1???????????:??????????
2?????????
3?????????
4???????
5?????????
??1?2?? (???????? ?????????? ??)???????????????????2???,??????????4.8???,??????????????????????????????????,??
?????????????,1?2?10?????????????????1????????????????,??4.8???????,???????????10??????????????
?????????,?,?????,????????????????????????,??????
??105??????????20?????????????????,?2??????4???????????????440?????????????????86??13????????????????????(?) ??:?????