?? ?????3??200???????? 40???????
![](https://image.chezhanri.com/2020/0323/68a4a0128ace53e06982313c42c0de2c.jpg)
????:1?????????:??????
2???????????
3??????????
4???????????
5???????
??9??5????????????????? (?????????????? ??)????5???????????????“??”??(???)??,??????3??,??????????????200????,????16??????,????40????,??????3??????????????5%?
????,???“?????”???????????,?????????????????????????????????????????????????????????????????10????????????,??120?????,????1.74??,????????????????20??
??“?????????????”?,??,??,??,???????????????????????????4??,?????????????3??????????3?????????
??????,?,???“???+??”,??“????????+???”“???+?????”“??????????+???????????????????”“??+??????????????”“???+?????”?????,????????(??????) ?????????????:???