单位:公吨
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金属        总存量        涨跌
铜         450,800        +875
铝       4,569,125        -2,075
铝合金      71,700        -440
铅          283,850        +3,450
锌          763,725        +26,675
锡           19,025        +230
镍          121,182        -876
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