????:1???2023??:????v

2?????????

3?2021??????

4???????????

5???????

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?,???????,????????20%?????????????1???????????“???”??,??????????????

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?????????????,?,??????????????0.8-0.9?????

????,8??,???????????,?25%??????????,???100???????????????180??????????-190??,?????????600??????????????

??????????,????10?5??????????????????(??????)??????????????800?????,?10???;800???,???????????20????????????????,????20????????30??????

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?????,??????????????,???????1-3????????????????,?300??????????“??????????”??????????????

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