????:1?????2021???????:?????????

2????????

3???????

4???????

5?????300??400

??????????????6??11???????? (????????? ??)????????11???,??????,??33.59??????,??????????8.84????,??36%?

???????????36%???? ???

??6??8???6??10??,?3???,??11.19?,???6?10??,???11.49????????????,??????????????????20.47?,???????13.12????????

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???????????????????36%?? ?

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