標題: ASTM E 2179-2003 地板面層減弱通過水泥地板傳導的撞擊聲的效... [打印本頁] 作者: 兌水 時間: 2009-11-17 14:21 標題: ASTM E 2179-2003 地板面層減弱通過水泥地板傳導的撞擊聲的效... E2179-03e1 Standard Test Method for Laboratory Measurement of the Effectiveness of Floor Coverings in Reducing Impact Sound Transmission Through Concrete Floors