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

2??????????

3????????

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

5??????

????????????????12??????????????19?? (??? ????)12??18????????????,???????????????????????????????????,???

?,????????,??2.6???,????G76?,??????,???????????????????????????????????,????????????????,?????G206??????????,??????,????G206???????????????????,?G35????????,???????22.965??????,???36.04???

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

???????????????????,?“?????+????????????????????????????????????”“??+????????????????”??,??,????????????,??????????39???????????????????????,???1????????????,??????????????????????????????(?????) ?????:???????????????????