单位:公吨
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金属        总存量        涨跌
铜         372,300        +350
铝       4,950,550        -2,475
铝合金     142,680        -620
铅          356,225        -1,550
锌          826,300        -525
锡           11,835        -125
镍           90,042        +474
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