?? 6?7?8??????,??
![](https://image.chezhanri.com/2019/0514/20190514150157630.jpg)
????:1???????:????QQ?
2?????????150???
3?400??????4???
4???????
5???92?????
?,6?????7??????8???,???????
???
6????18??????????????,«2023???»??????,2023???
?????,???,????(6????7????8???)???????????????
???«??????????????»,??“6??????7??????????8????”????????????????,??????????????
6???????,??????????????????????4??;
7?,??????????????????????????????????????????;
8???,????????????????????????????????????????????????????,????????????????????
?????????????,???????
?????????????????,“6??????????????7???8??????????”?80%???????(????????????????????????),?90%??????????????????,???????“????123???????????”“??????123??”……
???????,???
??????,14????????????????,??219.0??,??8.5%;??????172.7?,??4.5%;???????55.5?????,???????5.2%?
?,???“????”??
????“?”?????“?????????”??????????102??,??????300?????,?????1.8???????????????14??,???10016?,??????????????
“?”“??????????”????????????,??600????;??????95%????50?;???98%??20???;????????????8?,????100????90%??????,?????????1.7?????????
???????????????????????C919??????????????CR450??,???????“?????”??
???????????,??,“???,????”????
??“??????????,??”???:
??“???????”,?“????????????”;?????????????“????????????”,???????????,?????????,????;????????,??????????????
?????,????
(“??????????”???)
??????:???????????????