acoustical reduction factor
词语： acoustical reduction factor
解释： 隔音系数
词性： 名词
词典： 建筑专业英汉词典
acoustical reduction factor 相关解释
acoustical reduction factor 〔名词〕降声因数
acoustical reduction factor 〔名词〕声绝缘因数,声降因数
隔音系数 〔名词〕sound insulation coefficient
隔音系数 noise insulator factor
隔音系数 coefficient of sound insulation;sound proof coefficient