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

2??????????

3?????????

4?????????

5???????

??1??????20???????????????????? (? ???????)?20???,????????????????4.9??,?????,????6??

????????,1?20??????5????????07?????????,???????????(????33.12?,??102.64?????)??4.9????????????????,????????8???

????????????????????,??7??????,??,?????,??38??????????,?141????????????,???????????????314??

???,???????????,?6??????????????????????,??,??????????????,?????,???

???,??????????,????????????,??10???2?????,??(???????????????????) ??:?????????