室外环境的钢结构，一般不考虑防火保护。
Steel structure of outdoor environment, generally do not consider fire protection.
所以，必须对钢结构做防火处理。
So, it is mandatory to process steel structure fire-protection.
防火玻璃按结构分等级，可分为单层防火玻璃和复合防火玻璃。
The fire-resistant glass consists of single and compound glass according to the structure.
可适用于木结构、砖结构和纸结构的防火阻燃。
It is applied to wooden structure, brick structure and paper structure to prevent fire.
防火油漆用于建筑物钢结构、玻璃钢和铝材上。
Fire retardant paint for building steel structure, glass fiber reinforced plastic and aluminum.
这种全新的结构型式，火灾时能够真正起到防火隔烟的作用。
这种全新的结构型式，火灾时能够真正起到防火隔烟的作用。
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