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品种 结算价  开盘    最高   最低    收盘   涨跌
-----------------------------------------------
   ----    7251    7251   7290    7289   +50
   ----    2257    2257   2283    2283   +31
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     成交量    持仓     增减    库存     增减
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铜                             202850   +750
铝                             1103500  -925
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