fire protection rating是什么意思、英文翻译及中文解释
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fire protection rating
词语: fire protection rating
解释: 耐火等级
词典: 消防专业英汉词典
fire protection rating 相关解释
耐火等级 fire endurance rating;fire resistance rating
耐火等级 fire resistance rating
耐火等级 fire rating;fire resistance rating;fire resistance classes;fire resistance classification;fire protection rating;fire endurance rating