铜        202,450      42,500       20.99
  铝      2,783,775     737,550       26.49
  铅        217,675      94,275       43.31
  镍        445,260     165,972       37.28
  锡          3,850         560       14.55
  锌        493,050      78,350       15.89
铝合金       15,600          20        0.13