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品种 结算价  开盘    最高   最低    收盘   涨跌
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   ----    6918.5  6957.5 6900    6954   +45
   ----    2086.5  2112   2086.5  2107   +25
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     成交量    持仓     增减    库存     增减
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铜                             226275   -8100
铝                             1133800  -7900
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