?? ???????????????????
![](https://image.chezhanri.com/2019/1115/7b1c7a584aac41680971f6b92e9632c6.jpg)
????:1??????????????:??????
2????????
3???200????
4??????
5????????????
?7???????9??? (??????)7??????????????????????8??20?,????MR845??????????????????,???????????????,????????
![](http://i2.chinanews.com.cn/simg/ypt/2024/240709/1c61e548-6c47-4b29-98e8-159645d51d62_zsite.jpg)
????????,?????????,??,??????,??,????????,?????????????????,?????????,???????
???,?????????“??-?????????????????”????????????1?,????????MR845(??????????????)??????MR846(??)????,????3.5??????????????,??????,????,?12???24?????????(??)
??:???