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品种 结算价  开盘    最高   最低    收盘   涨跌
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铜   ----    7108.5  7169   7071.5  7085   ---
铝   ----    2258.5  2270   2222    2225.5 -31.5
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     成交量    持仓     增减    库存     增减
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铜                             308650   -475
铝                             1085475  +4050
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