Can be widely used for intensive residential and public buildings, large public places, flammable and explosive place, strict in fire place.

可广泛用于密集型住宅、公共建筑、大型公共场所、易燃易爆场所、对防火要求严格场所。

youdao

Can be widely used for intensive residential and public buildings, large public places, flammable and explosive place, strict in fire place.

可广泛用于密集型住宅、公共建筑、大型公共场所、易燃易爆场所、对防火要求严格场所。

youdao