英语词汇“PNdB, PNdb”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	PNdB, PNdb
释义	PNdB, PNdb perceived noise decibel 可感(或感觉)噪声分贝,可闻噪声分贝
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