英语词汇“fire-protection 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-protection rating
释义	fire-protection rating fire-protection rating The time in hours, or fractions thereof, that a material (or an assemblage of materials) can withstand fire exposure, as determined by a fire test conducted in accordance with applicable code requirements.
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