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單詞乎

public address system

public address system是什么意思、public address system怎么讀

public address system漢語翻譯

【計】 公用地址系統(tǒng)

public address system英語解釋

名詞 public address system:

  1. an electronic amplification system used as a communication system in public areas
    同義詞：P.A. system, PA system, P.A., PA
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