The noise-deadening property was also analyzed and pointed that it was a new composite material which has much high performance such as excellent noise-deadening and acoustic absorption etc.

对该降噪复合材料的降噪性能进行了测试分析，结果表明这是一种轻质、吸声隔声效果较好的新材料。

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The noise-deadening property was also analyzed and pointed that it was a new composite material which has much high performance such as excellent noise-deadening and acoustic absorption etc.

对该降噪复合材料的降噪性能进行了测试分析，结果表明这是一种轻质、吸声隔声效果较好的新材料。

youdao