???????????????1????????????????????7???? (??? ?????????????????????? ?)????????????7??,??6.8??,?????????????????????????????????????????????????????2.2??

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

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

?????1500??????????

?????????,??,????????????????????????????2.2??????????????,?????????????????????,????(???????????????????????????) ??:?? “?????”???????

?? ??????? ????????2.2???????

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

2?????????

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

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

5?????????

???????????????1????????????????????7???? (??? ?????????????????????? ?)????????????7??,??6.8??,?????????????????????????????????????????????????????2.2??

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

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

?????1500??????????

?????????,??,????????????????????????????2.2??????????????,?????????????????????,????(???????????????????????????) ??:??