单位:公吨
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金属        总存量        涨跌
铜         432,375        -2,300
铝       4,551,075        -3,375
铝合金     137,340        ---
铅          387,900        -475
锌          783,350        -1,525
锡           16,550        -40
镍           87,042        -1,086
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