Steel structure of outdoor environment, generally do not consider fire protection.

室外环境的钢结构，一般不考虑防火保护。

youdao

So, it is mandatory to process steel structure fire-protection.

所以，必须对钢结构做防火处理。

youdao

So, it is mandatory to process steel structure fire-protection.

所以，必须对钢结构做防火处理。

youdao