public address system
public address system是什么意思、public address system怎么读
【计】 公用地址系统
public address system汉语翻译
【计】 公用地址系统
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：P.A. system, PA system, P.A., PA