单位:公吨
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金属        总存量        涨跌
铜         389,500        +1,350
铝       4,550,075        -4,900
铝合金     140,140        -20
铅          366,375        -450
锌          738,075        +825
锡           12,165        +10
镍           90,456        -366
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