单位:公吨
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金属        总存量        涨跌
铜         412,150        -175
铝       4,540,925        -2,650
铝合金     137,440        +200
铅          380,050        -2,125
锌          758,300        -3,550
锡           15,010        +20
镍           83,160        -480
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