单位:公吨
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金属        总存量        涨跌
铜         397,075        +1,100
铝       4,554,075        -3,250
铝合金     139,120        +1,000
铅          372,650        -1,175
锌          745,975        -1,425
锡           13,180        -145
镍           85,998        +2,058
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