public-address system
public-address system是什么意思、public-address system怎么读
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public-address system汉语翻译
扩音系统, 有线广播系统<br>【电】 播讲系统
public-address system英语解释
名词 public-address system:
- an electronic amplification system used as a communication system in public areas同义词：public address system, P.A. system, PA system, P.A., PA