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品种 结算价  开盘    最高    最低    收盘   涨跌
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   6885.5  6907.5  6974    6852    6888   -32
   2062.5  2081    2098.5  2076.5  2085   ---
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     成交量    持仓     增减    库存     增减
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铜                             321450   +2125
铝                             1306150  -5750
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