标题: JIS A 1405-1-2007 Acoustics-Determination of sound absorption coefficient and im [打印本页] 作者: cc523pate 时间: 2018-11-7 19:27:36 标题: JIS A 1405-1-2007 Acoustics-Determination of sound absorption coefficient and im
JIS A 1405-1-2007 Acoustics-Determination of sound absorption coefficient and impedance in impedance tubes - Part1 Method using standing wave ratio 作者: admin 时间: 2018-11-9 10:31:00