?? (????????????????)????
![](https://image.chezhanri.com/2019/0628/20190628110450432.png)
????:1???98?:?????????
2???????
3????????
4???????
5?????????
?8????????????????????????????7???? (???????????? ?)?????7??,????????
??????????????1/4?????????????????,???0.03?,???????????????,?,?????????????????????????1/4??????
??,????????????1/4??????????????6.35????,????????????????????????????????????
??,????,?????????6.18???,??????????????????6.10???????????????,????????????????????????????,???????????????????????????
??????????,????,?????,????????????
??????????????????????0.08?,????,????????????????????,???????????????
??????,?????,??????????????
??????,?????????????????,???????(????????????)
??:????????????????????