单位:公吨
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金属        总存量        涨跌
铜         305,875        -500
铝       5,117,075        -3,575
铝合金     137,560        -280
铅          377,825        -1,975
锌          850,575        +325
锡           10,080        +85
镍           96,816        -402
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