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单词
polyvinyl alcohol
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pol
′
yvi
′
nyl al
′
cohol,
[
Chem.
]
Chemistry
a colorless, water-soluble, thermoplastic resin, derived by the hydrolysis of polyvinyl acetate: used chiefly as an adhesive and as a sizing agent in the manufacture of textiles, paper, and plastics.
1925–30
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更新时间:2025/7/1 14:06:55