铜        234,175      38,000       16.227
  铝      2,841,250   1,026,075       36.114
  铅        189,825     109,175       57.513
  镍        434,244     177,114       40.787
  锡          6,145         580        9.439
  锌        446,025      54,600       12.241
铝合金       15,200          20        0.132