?? ??:???1-7????????,?3.1?????????????
![](https://image.chezhanri.com/2019/0625/20190625102228782.jpg)
????:1??????????????:????
2???????
3?????????
4??????V
5?????????
?8?????????21??????????????????????????“?????????????????????”??????,???????????????????????,?????????????????????????,??????????,?????????????????,??4000????,????19%,???21%??1-7?????????????????,????????3.1????,????????(?????????????)
??????????????:?????