单位:公吨
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金属        总存量        涨跌
铜         469,375        +125
铝       4,706,675        -450
铝合金      74,840        +1,000
铅          320,650        +825
锌          855,075        +2,725
锡           22,050        -50
镍          114,750        -156
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