gold concentrate containing copper

 
  • 含铜金精矿

gold concentrate containing copper的用法和样例:

例句

  1. At the same time, import agent Braille reflective powder powder Green Gold bronze powder imported colorful powder.
    同时代理进口凸字粉反光粉青金粉铜金粉进口七彩粉。

gold concentrate containing copper的相关资料:

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