人类工效学 无障碍设计 第3部分：产品和公共广播系统语音播报的声压级
Ergonomics—Accessible design—Part 3: Sound pressure levels of spoken announcements for products and public address systems
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发布于：2024-12-31
实施于：2025-07-01
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Ergonomics—Accessible design—Part 3: Sound pressure levels of spoken announcements for products and public address systems