英语词汇“urea-formaldehyde foam insulation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	urea-formaldehyde foam insulation
释义	Urea-formaldehyde foam insulation Urea-formaldehyde foam insulation A material once used to conserve energy by sealing crawl spaces and attics; no longer used because emissions were found to be a health hazard.
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Urea-formaldehyde foam insulation