铜        349,350      80,625       23.08
  铝      2,116,725     844,325       39.89
  铅        190,625      30,550       16.03
  镍        360,792     116,388       32.26
  锡          3,400       1,965       57.79
  锌        457,150      34,975        7.65
铝合金       13,680          20        0.15