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消防应急广播系统
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消防应急广播系统
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fire emergency broadcast system
消防应急广播系统
在火灾时向整个建筑物进行应急广播,指导建筑物内各部分人员疏散的广播系统。又称火灾事故广播系统或火灾应急广播系统。
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