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品种 结算价  开盘    最高    最低    收盘   涨跌
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   6783.5  6825    6817    6866    6855   -24
   2297    2298    2265    2298    2270   -23
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     成交量    持仓     增减    库存     增减
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铜                             301475   +1275
铝                             1243850  -5600
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