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

2?????????

3???????

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