... 防护材料 lagging material 防护玻璃罩 cover glass 防护眼镜 goggles ...
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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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