单位:公吨
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金属        总存量        涨跌
铜         463,500        +3,400
铝       4,606,100        +5,925
铝合金      69,360        -440
铅          307,375        +2,875
锌          816,700        -225
锡           20,285        -65
镍          117,972        -366
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