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

2????????200???

3????????

4?????200??

5???????????

?10?5????? (??? ???????????)????????5????????,10?4??????????????,?1754.7??,??5????????????????1700?????????9????29?,??????????1.05????????????,???????

??,10?5?????,?,??,??????????1795?????,??????947??

?????12306?,10?????6??8??,???,??????????????????????????????????????????????????????????????????5????????????9??,?12306???1.49??

??,?????,10?4??(?4???????),?28400.2?????,?0.3%,?2023???????(?????4?????,??????????????)??2.8%,??????2019??22.6%?(?) ???:??????