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Traffic noise absorption panel has outer noise absorption panel consisting of two layers with hard foam panel
Traffic noise absorption panel has outer noise absorption panel consisting of two layers with hard foam panel
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机译:交通噪声吸收板具有由两层硬泡沫板组成的外部噪声吸收板
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摘要
A noise barrier wall panel has an outer noise-absorptive layer consisting of two cover layers embedded within an inner layer, the innermost one of which is a hard foam panel. The outer layer is a composite layer of wood and plastic whose inner face is bonded to the foam panel.
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