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单词
polyolefin
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pol•y•o•le•fin
(pol′ē ō
′
lə fin),
USA pronunciation
n.
[
Chem.
]
Chemistry
any of a group of thermoplastic, stiff, light, and hard polymers obtained from the polymerization of simple olefins like propylene, used for injection molding, mostly in the automotive and appliance industries.
poly
- +
olefin
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更新时间:2025/7/23 13:16:39