单位:公吨
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金属        总存量        涨跌
铜         122,500        -1,950
铝       1,040,975        -1,925
铝合金      12,120        -180

铅          104,250        -200
锌          113,875        +750
锡            3,025        +160
镍          210,846        -24
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