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public-address system

中文翻譯:

擴音系統, 有線廣播系統
【電】 播講系統
public-address systempublic-address system

英文解釋:

名詞 public-address system:

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

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