防火罩由封火保温装置和过滤排烟装置两部分组合成。
The fireproof cover is formed by combining a fire sealing and heat insulating device and a filter fume extractor.
以对塑料有较好粘接力的复合树脂为基料，配以阻燃剂，制成用于塑料的膨胀型防火罩面剂。
This paper adopts mix resin with good adhesive to plastic for base material, match anti flammability agent, made expand anti_fire cover agent used to plastic.
灯具防火等级：H - 3防护等级：IP54灯具配光曲线宽，棱晶玻璃罩减少眩光。
Fire rating: H-3 Protection Grade: IP54 it has wide light distribution curve and its prism glass can reduce glace.
灯具防火等级：H - 3防护等级：IP54灯具配光曲线宽，棱晶玻璃罩减少眩光。
Fire rating: H-3 Protection Grade: IP54 it has wide light distribution curve and its prism glass can reduce glace.
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