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单词 copper pyrites
释义

copper pyrites

noun
Another term for chalcopyrite.Yet on his recovery, Gunnar realises that they are valuable copper pyrites, in sufficient quantity to restore the house's fortunes....
  • It is very difficult to separate iron pyrites, copper pyrites, mispickel, or sulphate of barium, from silver ores.
  • Both iron and copper pyrites contain sulphur and the Marquis with his usual enthusiasm decided to build a sulphuric acid plant at the site.
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更新时间:2024/9/20 10:31:34