单位:公吨
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金属        总存量        涨跌
铜         398,250        -1,375
铝       4,560,275        -775
铝合金     138,160        +760
铅          374,950        -850
锌          749,000        -2,825
锡           13,325        -820
镍           84,750        +1,530
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