?? ???1???1??????????????
![](https://image.chezhanri.com/2019/0626/20190626151653918.jpg)
????:1???????598??:????????
2????V
3??????
4??????q?
5?????????
6??21??6??????????22??,?????????,????????????????24????399.1mm,???6??12???24???
??,????????,??,????????????,???????????,????????????,???????????????
(??????? ?????????????? ??? ????)
??:???????