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??,?????????????,????????????????????????????????????????????,????,???“?”,?????????????,1976???????????????????,?????????????,1982??,???????,???????????????????????????????????,??,???????????????????????,?????

??,????,???20??,??????????,????????????7.52????,?????9.69???????,???25???????????(???????????????)

??:???????????? “????300????”?????

?? “??????????”?????? ??????

????:1?????300????:????????

2??????????????

3?????????

4??????????

5???????100???

????12????????1???????? (???????????? ????????)??,????????????????????“?????????????”???,????,??,????????????????????????,???????????

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???,????????????????????,????,??????????15?????,?,?12???????????(??,???????????),??20?????????1.5??,???

??,?????????????,????????????????????????????????????????????,????,???“?”,?????????????,1976???????????????????,?????????????,1982??,???????,???????????????????????????????????,??,???????????????????????,?????

??,????,???20??,??????????,????????????7.52????,?????9.69???????,???25???????????(???????????????)

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