单位:公吨
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金属        总存量        涨跌
铜         466,300        +2,825
铝       4,662,375        -7,475
铝合金     128,000        +360
铅          316,450        -1,600
锌          871,350        -1,850
锡           23,180        -245
镍          103,362        +150
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