?????????????1?7?????(??)???,1?7??????????????????????9????5???????????6.8?,?10?,??????28.50??????????????????????,??87.45??????????

?,??,???

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

??????:?????????????? ??“?????????”

?? ???????6.8??? ???????

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

2???????????

3???????600

4???????

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

?????????????1?7?????(??)???,1?7??????????????????????9????5???????????6.8?,?10?,??????28.50??????????????????????,??87.45??????????

?,??,???

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

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