secondary metal

 
  • 再生金屬

secondary metal的用法和樣例:

例句

  1. The melting equipments of secondary and treatment devices of aluminium ash at home and abroad are introduced and analysed.
    摘要對國內外再生金屬的熔煉設備及鋁灰渣處理裝置進行了介紹和分析。
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