“fire resistance rating”的概念、定义、翻译、参考文献-科学参考

单词	fire resistance rating
释义	fire resistance rating Encyclopedia 工学建筑防火释 fire resistance rating耐火极限在标准耐火试验条件下，建筑构件、配件或结构从受到火的作用时起，至失去承载能力、完整性或隔热性时止所用的时间，用小时表示。
随便看	closed elastic drive closed element closed embedding closed-end fund closed equivalence relation closed expression closed extension closed family of sets closed field closed filament closed filter closed fishing areas closed fishing season closed-flux device closed fork mounting closed form closed-form number closed-form solution closed formula closed fuel cycle closed function closed geodesic closed graph closed-graph mapping closed graph theorem

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