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品种 结算价  开盘    最高    最低    收盘   涨跌
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   ----    6929    6959    6873.5  6945   +32
   ----    2094    2107    2087.5  2103   +12
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     成交量    持仓     增减    库存     增减
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铜                             321475   +350
铝                             1301700  -4700
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