专业防汛/防火/防爆治理
Professional flood/fire/explosion control
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防火封堵系统

阻火或防火是一种被动防火形式,用于密封防火等级的墙壁或地板组件中的开口周围和接缝之间。防火板旨在保持墙壁或地板组件的耐火等级,以阻止火势和烟雾的蔓延。 A firestop or fire-stopping is a form of passive fire protection that is used to seal around openings and between joints in a fire-resistance-rated wall or floor assembly. Firestops are designed to maintain the fire-resistance rating of a wall or floor assembly intended to impede the spread of fire and smoke.

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