- 铝纤维棉规格：
- 30mm厚
- 降噪系数：
- NRC=0.85
sound barrier inserts a facility between the sound source and the receiver to provide a significant additional attenuation of sound wave propagation, thereby reducing the noise impact in a certain area where the receiver is located. Such facilities are called sound barriers. It is divided into traffic noise barrier equipment, noise attenuation noise barrier, industrial factory boundary noise barrier.
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