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品种 结算价  开盘    最高   最低    收盘   涨跌
-----------------------------------------------
   ----    6890    6879   6905    6905   +19
   ----    2070    2068   2074    2074   +8
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     成交量    持仓     增减    库存     增减
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铜                             196725   +1525
铝                             1105900  -50
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