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品种 结算价  开盘    最高   最低    收盘   涨跌
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   6734    6775    6770   6840    6833   +71
   2046.5  2062    2062   2080    2074.5 +26.5
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     成交量    持仓     增减    库存     增减
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铜                             183525   -5000
铝                             1108900  -3125
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