????????????????? ?????????700?

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7?6???3???,?,??

?,???6????????12??,???????????220?????,?5??,????????47.64???(???92.5%,????),????????????????????0.10??

?????????????????????,?4??,????????,?700???????????????

????,???????????????????????,?????????????,???????????????????????????????????????????????????????????????????1000?????????????????3200????????3200?????????3200????????????5000?????????????????????????????(??? ?? ??? ??? ?? ??????)

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