单位:公吨
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金属        总存量        涨跌
铜         466,950        +25
铝       4,592,900        -6,450
铝合金     133,000        -60
铅          374,825        +29,400
锌          833,350        -1,525
锡           21,160        +140
镍           97,638        -408
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