black copper

black copper什么意思,black copper翻译

基本解释

na.: 【冶】粗铜
网络: 黑铜矿；黑色铜；黑面红铜

英汉解释

• 【冶金】粗铜

• 黑铜矿

例句

• The test result shows that the black copper is a gold containing(2%) copper alloy, and its surface composition mainly is copper oxide.

  经过分析表明：乌铜是一种铜金合金，金含量为2%，表面成分主要是氧化铜。

• Composition and Surface Analysis of Ancient Black Copper in Yunnan

  云南古代乌铜成分和表面分析

• Study on Composition and Properties of Black Copper in Ancient Yunnan

  云南古代乌铜成份和性能的研究

• The Mottled Copper and Black Copper Run Through with Silver in Yunnan

  云南的斑铜与乌铜走银

• Approach on Colority and Coloring Mechanism of Ancient Yunnan Black Copper

  乌铜保护膜色度和成色机理探讨