单位:公吨
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金属        总存量        涨跌
铜         462,025        ---
铝       4,412,175        +1,525
铝合金     122,340        +720
铅          307,850        +1,700
锌          891,350        -2,625
锡           21,305        +380
镍          103,194        -450
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