吸声-隔声-隔振技术
sound absorption-sound insulation-vibration isolation technology
空气声隔声
airborne sound insulation
空气声隔声测量
airborne sound insulation measurement
楼板撞击声隔声
The impact sound insulation of the floor
光伏声屏障
photovoltaic noise barrier
路桥声屏障
sound screen of road and bridge
生态声屏障
ecological acoustic barrier
声屏障结构
structure of noise barrier
noise barrier structure