英语词汇PNdB怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	PNdB
释义	Definition of PNdB in English: PNdB abbreviation Perceived noise decibel(s). 感觉噪声分贝 Definition of PNdB in US English: PNdB abbreviation Perceived noise decibel(s). 感觉噪声分贝
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Definition of PNdB in English: