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cc523pate 发表于 2018-11-7 19:25:11

JIS A 1405-2-2007 Acoustics-Determination of sound absorption coefficient

JIS A 1405-2-2007 Acoustics-Determination of sound absorption coefficient and impedance in impedance tubes - Part 2 Transfer-function method

admin 发表于 2018-11-9 10:30:57

谢谢您的分享，金币已奖励!

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