?? ?????????G312???????????????
![](https://image.chezhanri.com/2019/0228/20190228165447382.png)
????:1????????????:?????????????
2????????
3??????????
4???????????
5????????????
???9??????????????3???????????(???????????????????????????? ? ????????????????)9?2????????,?53.03???,???G312??????????????????????,????
![](http://i2.chinanews.com.cn/simg/ypt/2024/240903/a7ec3017-8228-40ca-9365-849c8064e2bf_zsite.jpg)
??,?G312??????????????(??)???(??)?????(??)??,????????????????G312??????????,???,??0.667?????????????????????????????????????????????????????????????????????????????????
???,??????????????????????,??????,??????????????????,?,??????????????????????,??,????????????,???????????
???????,????????????????G312?2024??????????????????,????????????,?????,???,?????????????,????????????????????,??,?????????????,??????????????????,???(?????)
?????????????:??????