• GB/T19889.6 Acoustics-Measurement of sound insulation in buildings and of building elements-Part 6: Laboratory measurements of impact sound insulation of floors.

    6声学-建筑建筑构件隔测量第6部分:楼板击声实验室测量。

    youdao

  • GB/T19889.6 Acoustics-Measurement of sound insulation in buildings and of building elements-Part 6: Laboratory measurements of impact sound insulation of floors.

    6声学-建筑建筑构件隔测量第6部分:楼板击声实验室测量。

    youdao

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