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单词
sulfur trioxide
释义
WordReference Random House Unabridged Dictionary of American English © 2024
sul
′
fur triox
′
ide,
[
Chem.
]
Chemistry
an irritant, corrosive, low-melting solid, SO
3
, obtained by the oxidation of sulfur dioxide, used as an intermediate in the manufacture of sulfuric acid. Also called
sulfuric anhydride.
1865–70
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