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
时间-时间-时间交换网络
Time-Time-Time Switching Network TTT
耐火耐候
fire resistant and weather resistant steel
耐火耐候钢
fire resistant weathering steel
fire and weathering resistant steel
fire-resistant and weathering construction steel
耐火耐磨材料
fire-resisting and wear-resisting material
refractory materials
Refractory material
refractory
refractory and abrasion resistant material
等温淬火时间
isothermal quenching time