Alberich吸声板
Alberich吸声板,工作频率:5 kHz~25 kHz,声速:990 m/s,回声降低:16 dB@10kHz,声阻抗:2.09 Mrayls,[敏感词]损失:25 dB/cm/10kHz,尺寸:600 mm x 300 mm,密度:2100 kg/m3。
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