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

2???2020??

3?300????????

4?????9598?

5?????vx

????????????????????????9????16????? (?????)?????,???????????????16???

????2.18??????????????,????,????????“???10?(??????????????????16???)??”???

2008??,???????????????“??”????????????,“???????”??????????????,“????”???,???????????????,????????4.6???,?,?????????????????31??????????

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

??????????????,18.36???;????????????,???????,????????;??????????????????,????

??????????????????????????????????????……????????????,??????????,???????????????????????????????,????600???????????????????,“6??7?????8??????”??????

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

«2023????»?????????????,2023????????1.6????,????1.5????????????????????????,??4.5??????????

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

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

???????,??;????,????????????????????????,??????????,??????????????????,????????

“?????????????????,????????????”?????????,?????????,???????,????????

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

?????????????,????????????????C919??,?????????“???????????”;????????????????,????????????????;????“???????”?????,?????;????????????????????????????????

??,????????,??????????????????,??????????“????????????????????”??????????“?????????????”??,???????

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

?????????,“?,??????????????????????”??????????????,?????????????????????????????????????????,??????????,?????????????????????(??????????) ???????:?????????