?? ????“???????????” ????
![](https://image.chezhanri.com/2019/0709/20190709110402570.jpg)
????:1????????v:?????????
2???????
3??????????
4????????????
5????????
??7??6?????????? (???? ??)??,?????????????7???2????4???,??????????????“??????????????????”??????????,?????????????
?????????????,3????????6993????;???????????342??????,????1.43?;“????????????????”????????3?????25.4????????????,“????????????????????”??(????????????)??????????????????????22.8???????????????
?????????????????????“????????????”“??????????????”?
?,“??????????,???????”????????????????????????????????????“???”?????,???“?????????”????????????,????;?????????????????????????????????????????,???;??????????????,???????????????;????,????????????????????????????????????……
???????????????????????????????????????????????????????????????????????????????,????????????:???“?”?????8D“??????”????????????????,?????????,????“??”???????????????,???????
“??,?????????????,????????”???????????????,??,??????????,??,?,??,??????,???“?”??????“?????????”????????????,??????????????????,???????????????????????????,???????????????????????????????????????????,?????,??????????
???,???????????????????????????,??“?????”“?????”“????????????”?????,????
“??????????,???,????????????????,????,???”???????????,??????,?????????????????????????????,???????????????????????????,?????(??????) ????????:??????????????