片语
soft noise insulation软隔声
sound deadening消声,消音;隔音;隔音法
sound insulation[建] 隔音;隔音材料;声绝缘
noise insulation equipment隔音设备
noise-insulation installation隔音装备
noise insulation work study隔音工程研究
noise insulation strip隔音条
Noise insulation enclosure隔声罩
noise insulation material隔声材料
noise e insulation glass防噪音玻璃