单位:公吨
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金属        总存量        涨跌
铜         261,700        -2,700
铝       5,045,275        -7,425
铝合金     131,080        +960
铅          371,875        -725
锌          901,900        -775
锡           13,240        -25
镍           99,330        +942
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