单位:公吨
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金属        总存量        涨跌
铜         407,700        -2,325
铝       4,533,675        -3,200
铝合金     137,440        ---
铅          376,850        -1,925
锌          752,725        -4,200
锡           14,580        -405
镍           84,180        +900
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