???????????????????500??????

????:????sn????:?????

?????????????1????????????????23????????????????????????????? (????????? ?????????)???????23????????????,22???,??500??,??????????????,???

?12??????,?????,???????6200???/?,??????????2590????????????????????????????,??,???????????????,????????????200??????????,???????????

???,??2024??,???????????????????????,???????????????100???????(???????????)???????????????

????????500??5000???????????????????,???15?????????5.5??,??,?????????30?????????????????????????????,???1.5???????,?200?????

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