?? ???70????????????
????:1?????????????:????
2?????????
3??????V
4????????????
5????????????
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??6??????????8???(??????????????????????? ?????????)8?????????????,?,?????????????????,??70???,??????7.5%???????????????????58????
8?????,??8?????????,???????????????????,???????????????????????????2.8???,?????9??????,??
???????????????????,??????????,??????,?8???5000?????????????????,????????????1.5????????????,??83%?????????
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