-
Fire performance, the main frame and parts are all steel products.
防火性能好，所有主架和配件均为钢制品。
youdao
-
The steel frame and the fireproof glass can effectively fire, smoke and heat.
钢制框架和防火玻璃可以有效防火、防烟和防热。
youdao
-
The steel frame and the fireproof glass can effectively fire, smoke and heat.
钢制框架和防火玻璃可以有效防火、防烟和防热。
youdao