英语词汇“fire-resistance rating”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	fire-resistance rating
释义	Fire-resistance rating Fire-resistance rating Refers to the time in hours that a material or construction will withstand exposure to fire. fire-resistance rating The time in hours that a material or construction can withstand fire exposure, as determined in conformity with generally accepted standards, or from information derived from standard tests.
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Fire-resistance rating