?? ???6.4?????????????
????:1?????????:??????????
2?????????
3???????
4??????200???
5???100??????????
??????????9??24?????????? ?24??????????????6.4?????????,????,?????,???????
?????????????????????????????,??2??????????????????????51????,?????????0.11??????????????122.92??????????,??74?,???145???,?????????????????
???????????,???????,????????????????
??????,????????????,??????????????,????
?????????????????,?????????????,???????????,??????(????????????) ???????????:?????