铜        235,300      44,200       18.78 
  铝      2,842,550     809,225       28.47 
  铅        187,400      94,525       50.44 
  镍        450,978     177,240       39.30 
  锡          6,160         935       15.18 
  锌        482,650      53,600       11.11 
铝合金       15,320          20        0.13