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

2?????

3??????????

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

5???????????

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

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

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

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