?? ???????????? ??????????
![](https://image.chezhanri.com/2019/0823/20190823134844851.jpg)
????:1??????:????
2???????????
3?????????????
4????????
5??????????
??6??????????????16????????????? (??????????)??16??12??????????????????,????2?????????????????????????????????????4??????
16????????????????????????18???,????,????????????????16????20????17????20?????????????,??????????????????????????????????????????????????????????????,??,??????????????????????????????????????,??(250270???????????????)??????????????????????????????(?????),??????????????,?????????(??)?
???????????16?????????????,?????,?????
??,????????,?????2?,???????????????????????????????????????????????????????????????????????????????5??,???????????????,????????????????????????(???????????) ????:??????????????????????????