单位:公吨
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金属        总存量        涨跌
铜         400,925        -2,375
铝       4,560,975        -1,625
铝合金     137,400        -40
铅          380,300        +4,350
锌          755,825        +1,400
锡           14,310        -240
镍           83,598        -90
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