在《PONS词典》中的词汇
在《PONS词典》中的词汇
在《PONS词典》中的词汇
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单语范例（未经PONS编辑处理）
Since the 1960s, hydrochloric pickling sludge is often treated in a hydrochloric acid regeneration system, which recovers some of the hydrochloric acid and ferric oxide.
en.wikipedia.org Ferrous metals are commonly anodized electrolytically in nitric acid, or by treatment with red fuming nitric acid, to form hard black ferric oxide.
en.wikipedia.org In magnetic tape, the larger the grains of the magnetic particles (usually ferric oxide or magnetite), the more prone the medium is to noise.
en.wikipedia.org The goat skin covering the smaller aperture is anointed in the center with a black disk made of rice flour, ferric oxide powder and starch.
en.wikipedia.org It also passivates metals and reduces metal oxides converting ferric oxide to ferrous oxide and converting cupric oxide to cuprous oxide.
en.wikipedia.org