• Of course, I can also be material in the existing noise wall surface treatment.

    当然材料可以现有墙体表面进行隔音处理

    youdao

  • Of course it will also effect the freq. 's, and the reflected sound we'll be different then before it hit the surface, although some material have less of a impact on the sound.

    当然反射也是影响声音频率,声音被反射的前后对照,不同的,尽管一些材料声音影响很小。

    youdao

  • Of course it will also effect the freq. 's, and the reflected sound we'll be different then before it hit the surface, although some material have less of a impact on the sound.

    当然反射也是影响声音频率,声音被反射的前后对照,不同的,尽管一些材料声音影响很小。

    youdao

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