单位:公吨
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金属        总存量        涨跌
铜         270,400        -3,450
铝       1,181,300        -2,900
铝合金      11,920        ---

铅          148,475        -300
锌          249,250        -1,650
锡            2,070        -20
镍          384,054        +2,484
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