当量耐火时间
Equivalent fireresistance time
T-equivalent
钢梁耐火时间
Fire resistance period of steel beam
可燃性和额定耐火时间
combustibility and rated fire-resisting period
耐火当量时间
fire resistant equivalent time
封闭式耐火玻璃钢救生艇
enclosed type fireproof glass reinforced plastic lifeboat
废弃耐火材料
waste refractory material
abandoned refractory material
Waste refractories
矾土基耐火材料
Bauxite-based refractories
多相耐火材料
composite phase refractory