• 多孔水泥共振具有广泛用途发展前景吸声材料。

    Porou concrete resonant absorber is a kind of sound absorber having wide USES and prospects.

    youdao

  • 采用管法测定定向结构刨花板系数,分析比较了定向结构刨花板混凝土性能的差异。结果表明,定向结构刨花板具有良好吸声性能。

    The sound absorption coefficiet of osb was tested by the stationary wave method. the results showed that the osb had good sound absorption property compared with brick and concrete.

    youdao

  • 采用管法测定定向结构刨花板系数,分析比较了定向结构刨花板混凝土性能的差异。结果表明,定向结构刨花板具有良好吸声性能。

    The sound absorption coefficiet of osb was tested by the stationary wave method. the results showed that the osb had good sound absorption property compared with brick and concrete.

    youdao

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