perforated acoustic board
... 装饰吸声板 YBH 穿孔吸声板 perforated acoustic board 平行吸声板 parallelabsorbentbaffle ...
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穿孔复合吸声板 BSX
穿孔板吸声构造 [建] perforated-plate sound absorption construction
穿孔板吸声材料 absorbing material
微穿孔板吸声理论 capillary sound absorption theory
·2,447,543篇论文数据，部分数据来源于NoteExpress
该穿孔珍珠岩吸声板包括珍珠岩板，其特征在于，所述珍珠岩板上设有凹陷。
The piercing perlite sound absorbing board comprises a perlite board, which is characterized in that a sag is arranged on the perlite board.
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