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

2?????2020

3????????

4???????

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

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????????????,????????23?????,???3????????????????,???????????????“??????????????”???????

23??????????,???,???

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2023??????????????,???,???,??????????,????

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?????,????????????????????21?????????????????,??550?????????????????,????????????19????????????????????????,???????????

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????????,????????????????,????????260??????????????,???????????1.5????????,???????????248??????????,?????

????,????????????????12306???????????2000??????????;?????????????200??3?????????;??????????,????????????94%?

???????????,?????,????????????????,??19????,????????????31%;?????????????98%??,????????,???????????(??????????)

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