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火灾危险等级
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火灾危险等级
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classification of fire hazards
火灾危险等级
根据火灾荷载(由可燃物的性质、数量及分布状况决定)、室内空间条件(面积、高度)、人员密集程度、采用自动喷水灭火系统扑救初期火灾的难易程度,以及疏散及外部增援条件等因素划分设置场所的火灾危险级别。
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synodic motion
synodic period
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Synod of Bishops
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synonym dictionary
synonym differentiation
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synonymy thesaurus
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Synopsis of Golden Chamber
Synopsis of Golden Chamber shenqi pill
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Synoptic Gospels
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