论文部分内容阅读
在吸声装置的结构中,经常使用的吸声材料有玻璃棉、矿碴棉、吸声砖和纤维板等。而穿孔板吸声结构为共振吸声的结构,
In the structure of the sound absorption device, the commonly used sound-absorbing materials are glass wool, cotton ballast, sound-absorbing bricks and fiber boards. The perforated plate acoustic absorption structure for the resonance sound absorption structure,