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

2???????

3???????????

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

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

???1?????8??(?)??????????????????1?8???,???????,???????????????????????12??,??????

????????????????????????????? ???????????

1??7???????9?5????????????????????,??6.8??????????????????????????????????,???????????????

?,??????,1???7???,?4????8?????????,???76??

?????????? ???????????

???,?????80?????,???????????????????????

1???8?????????,?5??,?????????????????8?,??

?????????????1????8??10?????????????????????,?126??,????4.65???????????(?????)

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