?? ????“????????”
![](https://image.chezhanri.com/2019/1115/14613dab849a7d285c05beffe8dc08b1.jpg)
????:1???????:??????
2??????????
3???????????
4???????
5?????vx
??(6???????????27????)??,???,????
??????????20??????,20???????,??,??????????,?????
??,??,???1900????????????????????????,??6?????????????????,?“?????????????”;???19.6??????????,?“??????????”????????10???????“??????????????????”,????????????????
(????????????????? ? ????? ?????????? ????) ????:???