单位:公吨
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金属        总存量        涨跌
铜         348,750        -2,450
铝       5,005,050        -175
铝合金     138,500        ---
铅          347,525        -1,200
锌          843,325        +2,825
锡            9,800        -945
镍           91,668        -120
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