单位:公吨
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金属        总存量        涨跌
铜         301,950        -3,200
铝       1,280,100        -4,800
铝合金      11,920        ---

铅          157,500        -1,750
锌          259,350        -975
锡            2,070        ---
镍          385,158        +1,860
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