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品种 结算价  开盘    最高    最低    收盘   涨跌
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   ----    6841.5  6923    6829    6879   +24
   ----    2270    2292    2254.5  2280   +10
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     成交量    持仓     增减    库存     增减
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铜                             302900   +1425
铝                             1234575  -9275
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