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单词
polyvinyl butyral
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pol
′
yvi
′
nyl bu
′
tyral,
[
Chem.
]
Chemistry
a white, water-insoluble, polyvinyl acetal made with butyraldehyde, used chiefly as an interlayer in the manufacture of safety glass.
1940–45
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更新时间:2025/11/29 21:37:23