单位:公吨
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金属        总存量        涨跌
铜         466,000        +875
铝       4,601,225        -7,600
铝合金     132,100        -60
铅          323,775        +4,625
锌          840,200        -1,700
锡           21,465        -145
镍           99,048        -192
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