?? ?????????????????
![](https://image.chezhanri.com/2019/0308/20190308094458988.jpg)
????:1?????:?????????????
2???????????
3???????
4???????
5?????qt
4?,??????????????,?????????????????(??)??????
???????????????,?????????????????????????????????????,??????,??
6?14??20???????????,??8??15?,??????6?15?????????6?????23??????????(?7??),????,????6????40??,?????,????????30??
6???15???????????,??,?,????,?,????
6???????15????????????????7??4?????
6???????????15??????8???????????????????????(? ????????? ???????? ??? ?? ? ??)
????????????????????????:????