单位:公吨
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金属        总存量        涨跌
铜         470,700        +4,025
铝       4,569,075        -3,950
铝合金     134,900        ---
铅          373,425        -275
锌          824,125        -3,200
锡           21,165        -285
镍           97,164        -126
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