1.1286 多孔吸声材料 porous absorption material 1.1287 吸声结构 sound absorption construction 1.1288 共振吸收 resonance absorption ..
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perforated-plate sound absorption construction [建] 穿孔板吸声构造
resonance sound absorption construction 共振吸声构造
thin-slab sound absorption construction 薄板吸声构造
a sound absorption construction 吸声结构
perforation plank sound absorption construction 穿孔板吸声结构
The bore sound-absorption panel is a construction sound-absorption material which have round bore in both the front and back of the density panel.
孔型吸音板是一种在密度板的正面、背面 都开圆孔的结构吸声材料。
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