压力通风系统 meaning in English
forced-air ventilating system
plenum system
Examples
- Acoustics . measurements of sound insulation in buildings and of building elements . part 9 : laboratory measurement of room - to - room airborne sound insulation of a suspended ceiling with a plenum above it
声学.建筑物和建筑元件隔音测量.隔绝吊顶上装有压力通风系统的房间到房间的气载噪声的试验室测量