?? ???????????????5???
![](https://image.chezhanri.com/2020/0323/e87cadc72cefd67ab8600acc76ee3f43.jpg)
????:1??????:???????
2?????????
3??????????
4?????????
5?????????
???6???17?? ???????(??)17?,???????5???1800???,????
???????,5??????????340??????,?????????,?15%,?????263??,??43%,??77??????????????????????1????????????5???1800?????,???(?????)
????:?????