单位:公吨
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金属        总存量        涨跌
铜         304,875        -850
铝       5,118,775        -5,325
铝合金     137,560        ---
铅          371,950        -2,275
锌          865,350        +14,300
锡            9,840        -105
镍           97,818        -198
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