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品种 结算价  开盘    最高    最低    收盘   涨跌
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   ----    6925.5  6957    6850    6808   -77
   ----    2280    2325    2264    2327   +8.5
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     成交量    持仓     增减    库存     增减
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铜                             291350   +1375
铝                             1247100  -12200
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