单位:公吨
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金属        总存量        涨跌
铜         447,800        -3,050
铝       4,564,975        -4,900
铝合金     137,300        +920
铅          387,950        +25
锌          790,100        -2,550
锡           17,500        -300
镍           86,820        -1,668
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