STANDARD TEST METHOD FOR LABORATORY MEASUREMENT OF IMPACT SOUND TRANSMISSION THROUGH FLOOR-CEILING ASSEMBLIES USING THE TAPPING MACHINE是什么意思_STANDARD TEST METHOD FOR LABORATORY MEASUREMENT OF IMPACT SOUND TRANSMISSION THROUGH FLOOR-CEILING ASSEMBLIES USING THE TAPPING MACHINE在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句