单位:公吨
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金属        总存量        涨跌
铜         238,950        -2,600
铝       5,015,500        +1,000
铝合金     127,220        ---
铅          361,050        +1,500
锌          928,875        +2,325
锡           14,490        -25
镍          103,896        -6
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