12???????????????20?????,??????

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?? ?????????????????70%

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

2?????????????

3????????

4???????

5??????????

12???????????????20?????,??????

??,?????????????????,??,????????????????,2023??2019??600??,??????????3??????,???,????????????(????????)????????????????????????????,???70%,????2019????660???2023??530????,???????300??????????????????2????1?????(??)

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