????:1??????:??????

2????????95?

3?????????

4?????????

5?????????

??????12??29?????? (??)???(???)29?????????,CR450??????????????

??????CR450-BF?(??????)

?????,CR450???????????????????????????

??,??450????,?400???????,?????????

??,??????????,?????????,?????????????????

??,??22%,???????????????10%?

????,?????2???,???4%?

????,??????????????????????

??CR450-AF??????(??)

??,??????????????????2018???????????????????,??????????????????????????????????,???400???“????”?????;2021???????400??CR450?????????;2022???CR450?????,??2022?????2023?????,?????????????CR450?????;2024??????????(??????)

?????????????:???