英语词汇“pa system”的意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pa system
释义	pa system 汉语翻译【电】 Public-AddressSystem的简写英语解释：名词 pa system: an electronic amplification system used as a communication system in public areas 同义词：public address system, P.A. system, P.A., PA
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pa system