The effect of some factors on the sound absorbing property, such as type of aggregate, water to cement ratio and size of aggregate particles, was investigated experimentally.

  • 试验分析不同骨料、水灰比、骨料颗粒粒径对吸声性能的影响。结果表明,这些因素对其吸声性能影响明显。

  • 互联网摘选 2025-01-19 23:55:38

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句