?? ????????18???30???? ???????
![](https://image.chezhanri.com/2019/0521/20190521101047955.jpg)
????:1????????:????????
2???????
3?600???3?????
4??????????????
5????????
??????????????????????,6??20????????17??,??????????????????????????????????18?30?0.12~5.55?????23.69???,???5.19??,??????????37900??,???;??(?)????146.32?,?????0.32??,?2520???????,????????????,???2?,??2?????????????
?????,?24??,???????1~4???,??????????4~6?????
(????????? ? ??) ?????:?????