铜冶炼

  • n.copper smelting
  • 网络copper metallurgy

铜冶炼铜冶炼

铜冶炼

copper smelting

炼铜,Copper... ... ) copper converter 炼铜转炉 ) copper smelting 铜冶炼 ) copper matte converting 铜锍吹炼 ...

copper metallurgy

铜冶炼,copper... ... ) copper smelt 铜冶炼 ) copper metallurgy 铜冶炼 ) smelted copper 冶炼红铜 ...

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