?? ?????????? 5?????????????
![](https://image.chezhanri.com/2019/0822/20190822112717515.jpg)
????:1??????:????????
2????????????
3??????????????
4??????200??
5?????FJ?
?7????5??????? (? ?????????)???,?????????????????????7?5???????????????6??“??”?????,??69??????
????,????“????????????????????????”????,??????
????????????,?????????????,??????????????????????????????????5???,??????????????????
??(?BI)??????(?MOI)?
??BI>20???MOI>20??????????,????;???????????BI>20?????????MOI>20?????,????
???????????????????6?????????????,?????69???????,???,???????????????29??????????,????,???22???
?,??????????????????????????,??,?,???????,??????????????,?????????????????????????,???????????????????;???????????????????,??,??(?) ?????????????:???