单位:公吨
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金属        总存量        涨跌
铜         231,200        +325
铝       4,904,125        -13,075
铝合金     102,440        -60
铅          346,125        -2,050
锌          941,850        +2,600
锡           12,855        -505
镍          107,724        -102
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