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自动喷水灭火系统
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自动喷水灭火系统
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消防排水系统
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sprinkler systems
自动喷水灭火系统
由洒水喷头、报警阀组、水流报警装置(水流指示器或压力开关)等组件,以及管道、供水设施等组成,能在发生火灾时喷水的自动灭火系统。
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preserved corpse
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preserving and accessing networked documentary resources of Australia
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preset diaphragm
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presheaf of abelian groups
presheaf of groups
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preshot
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Presidential-Libraries
Presidential Records Act
president of the People's Republic of China
president-responsibility system under the leadership of Chinese Communist Party Committee
Presidents Cup
presidium of the National People's Congress
presious metal nanomaterials
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