sound insulation and noise red
language：English
language：English
sound insulation and noise red
Sound barrier is mainly used for sound insulation and noise reduction of highways, expressways, elevated composite roads and other noise sources. Divided into pure sound insulation reflective sound barrier, and sound absorption and sound insulation combined compound sound barrier, the latter is a more effective sound insulation method. It is divided into traffic noise barriers, equipment noise attenuation noise barriers, industrial plant boundaries noise barriers, roads and highways are the most used places of various。
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