单位:公吨
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金属        总存量        涨跌
铜         381,250        -825
铝       4,822,725        -2,750
铝合金     141,440        ---
铅          358,075        -1,575
锌          758,900        +1,000
锡           12,200        +85
镍           88,710        -834
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