?? ????????????299??? ???1500??
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2?????vx??????
3???????vx
4???????????
5?2023??qt???????
???????????????????????9??????13??????????????????? (? ?????????????)????????????13????????,?108?,?????817.4??????????,???????????191???,?????????????????????743.2????,????????????????
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?????????????????????????????7.5????????????,??10??32????29.6%,??50????3?????,??65????????,?????????????562.6??????,?68.8%?
??????????????????“4×4”????????,?????????????89???82.4%,?644.8?????????????,???????78.9%,????????????????????????????????????????????????????????????
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