?“?????”?“??” ???220??????????????

????:????:????vx

?????????????????????????|???“???”?“?????????” ???????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?????????????,?……

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