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单词
activated alumina
释义
WordReference Random House Unabridged Dictionary of American English © 2024
ac
′
tivated alu
′
mina,
[
Chem.
]
Chemistry
alumina in the form of granules having many fine pores, used to adsorb water and various gases.
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更新时间:2026/4/28 2:49:13