单位:公吨
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金属        总存量        涨跌
铜         474,525        +1,700
铝       4,566,675        -12,950
铝合金     117,420        +1,720
铅          321,600        -225
锌          867,500        -250
锡           22,000        +65
镍          109,968        -606
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