英语词汇“noise rating number”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	noise rating number
释义	noise rating number noise rating number [′nȯiz ′rād·iŋ ‚nəm·bər] (acoustics) The perceived noise level of the noise that can be tolerated under specified conditions; for example, the noise rating number of a bedroom is 25, that of a workshop is 65.
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