absorption and emission properties
Sound Absorption and Noise Reduction
Sound absorption and noise suppression
Sound absorption and noise sup-pression
sound absorption character
sound absorption characteristics
sound absorption coefficient
吸声系数
测定吸声系数
边界元素法
吸音系数
吸声率
吸音率
sound absorption coefficients
Sound absorption design
Sound absorption effect analysis
sound absorption efficiency
sound absorption efficient
sound absorption factor
sound absorption formula
Sound absorption and insulation boards
sound absorption material and structure
sound absorption materials