firestopping

网络释义

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2.	防火 ... bed seal 底密封 fire stopping 防火 fabrication 加工 ... shop.ebdoor.com
3.	防火封堵建筑防火... ... 2.0.9 建筑缝隙 construction joint 2.0.1 防火封堵 fire stopping 2.0.2 防火封堵材料 fire stopping material ... www.pavln.com