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单词 novolak
释义

novolak

/ˈnəʊvə(ʊ)lak/
(also novolac) Manufacturing Technology
noun
Any of a range of soluble, fusible resins used extensively in varnishes, which are formed by condensing formaldehyde with phenol using an acid catalyst.

Origin

Early 20th century. From classical Latin novus new + -lak.

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更新时间:2025/3/23 10:57:14