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品种 结算价  开盘    最高   最低    收盘   涨跌
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   ----    6835    6804   6835    6826   -7
   ----    2072    2069   2072    2069   -5.5
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     成交量    持仓     增减    库存     增减
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铜                             182425   -1100
铝                             1104550  -4350
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