????:2024-10-01 15:01:52 ??:????
????:????:???????
????????????|???“???”????????“????” ????????????220?
1953?????????,????????????;1956??????????????????,???;1954???,??????????????????????????5????????????????……?,???????????????????????????,????;2023?,???3011????,????????15???????????;2017???5?5????,????????????C919???????????,???
?????????????????????????????,?????????????,????????????????,????????,??????????????????????????????;???75???????????,???????,????????????????????????,??500???,???????????????????????????220???,??1952???120????????2023????39.9????????????,??10.5%???,???2022??????30.2%,??????????????????????????
???,????????,??,???????????????????????“??”???????,????????????????????2023?????,??????????????????“??”???30.3%?54.0%?22.8%?2024??????????1-7??,?348.5??,?100?????????;????????????????????????????????????????????15.7?????????????3.3???????????????1.9??43.0?????????????????????????,??????????????……
?????????,?????????????????????,?????,??“????????”??????“??”,????“????”???????????????????????“?????”???“?”???????????,???,?,???????“???”?,?,??????????????,?????,?“???????”???,??????????(?? ???? ?????) ?????????????:??
????