英语词汇sound proof coefficient是什么意思，sound proof coefficient的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	sound proof coefficient
释义	sound proof coefficient　隔声系数
随便看	over travel over travel over travel over valuation over voltage over voltage protection over weight over with over with over with over with over wrapping over- over-abundance over-achiever over-age over-age over-age vessel over-alimentation over-all over-ambitious over-ambitious over-ambitious over-and-over addition over-and-under controller

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