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fire emergency broadcast system
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fire emergency broadcast system
Encyclopedia
工学
消防通信
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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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rectangular hyperbolic coordinate
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rectangular-hysteresis-loop soft magnet
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rectangularity
Rectangular Lacquer Box with BoneInlay from the Tomb of Feng Sufu
rectangular lattice
rectangular magnetic material
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rectangular map subdivision
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