標題: ASTM E 2249-2002 用聲音強度試驗室測量建筑物分割和元件... [打印本頁] 作者: 兌水 時間: 2009-11-17 16:12 標題: ASTM E 2249-2002 用聲音強度試驗室測量建筑物分割和元件... E2249-02 Standard Test Method for Laboratory Measurement of Airborne Transmission Loss of Building Partitions and Elements Using Sound Intensity