单位:公吨
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金属        总存量        涨跌
铜         320,000        -3,150
铝       5,019,075        -450
铝合金     138,040        ---
铅          376,050        +1,250
锌          841,550        +2,850
锡            9,125        -275
镍           93,918        -600
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