研制了一种新型无卤、低烟、无毒、对环境友好的膨胀型防火涂料。

This paper suggests a kind of fire retardant coatings, which is halogen free, low smoking, friendly to environment.

youdao

研制了一种新型无卤、低烟、无毒、对环境友好的膨胀型防火涂料。

This paper suggests a kind of fire retardant coatings, which is halogen free, low smoking, friendly to environment.

youdao