单位:公吨
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金属        总存量        涨跌
铜         473,700        +3,000
铝       4,567,325        -1,750
铝合金     135,920        +1,020
铅          373,600        +175
锌          821,325        -2,800
锡           21,350        +185
镍           96,738        -426
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