单位:公吨
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金属        总存量        涨跌
铜         473,700        -325
铝       4,544,725        -10,825
铝合金     119,220        +1,660
铅          321,750        -25
锌          867,225        -900
锡           22,560        +125
镍          109,872        +258
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