单位:公吨
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金属        总存量        涨跌
铜         405,400        -2,300
铝       4,530,550        -3,125
铝合金     137,440        ---
铅          374,900        -1,950
锌          753,900        +1,175
锡           14,575        -5
镍           83,892        -288
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