fire-rated door 中文意思是什麼
fire-rated door
解釋
標準防火門-
Standard for fire rated rolling door assemblies
耐火滑動門組件標準 -
Standard method of fire tests of floor door assemblies installed horizontally in fire resistance rated floor systems
適用於樓板防火系統水平安裝用的樓板門組件的著火試驗的標準方法
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