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单词
vacuum pan
释义
WordReference Random House Unabridged Dictionary of American English © 2024
vac
′
uum pan′,
Chemistry, Physics
a vessel equipped with a vacuum pump used for rapid evaporation by boiling a substance at a low temperature under reduced pressure.
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unabashed
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unabatedly
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更新时间:2025/11/17 19:55:10