?? ?????16.2??? ???4.7?????????
????:1????????:??????
2????????
3????????
4?????????????
5???????wx
??12????????????26?? ?????????????????,????,????16.2?????,????????4.7?????,?????2.5??????????;??8000????,?????3000??????????????,????2300????
??????????????,????????????43???,?????????11.7%??;??51.8????????????????,??3%?????,???
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