sound insulation

短语词组

短語

• sound -insulation value 隔聲值
• sound d insulation materials 隔音材料
• sound d insulation 隔聲
• Sound proof insulation 隔音絕緣
• theoretical sound -insulation 隔聲理論
• building sound acoustic insulation lab 建築隔聲實騐室
• Fireproofing sound -insulation door 防火隔聲門
• DP 'apparent sound pressure insulation 表觀聲壓隔聲值
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