Public address system
volume
British pronunciation/pˈʌblɪk ɐdɹˈɛs sˈɪstəm/
American pronunciation/pˈʌblɪk ɐdɹˈɛs sˈɪstəm/

"public address system"的定义和意义

Public address system
01

公共广播系统, 音响扩声系统

an electronic amplification system used to broadcast sound to a large audience in public spaces

public address system

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