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

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

3????????600

4?????????

5?????????

??????????7??????????????6???????? (?????? ??????? ??????????)??????????6??????????,7??5?,????,??,???????,???????????????

????????????????????????????800???????146???82?,??50??30?,?????300????????10000??????????????????????????????500??????150??,??????????

????????????????????????????????5.6??????????,???5000?????????????,????

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

?5??????????????22??????????????????,?????????5000??????????????,??????????

????????????????????,??????????5.4???(?????????,?????????????)?????????????????????????????,??????????????????????????????????????,???????????????????????????????????????????????9?????????(??)??????????????5.03????,???????????????????????????????;????????2???????(?????????????)??0.37????,???(?) ??????:???