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drencher sprinkler system
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drencher sprinkler system
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工学
消防排水系统
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drencher sprinkler system
水幕系统
由开式洒水喷头或水幕喷头、雨淋报警阀组或感温雨淋报警阀等组成,发生火灾时起到阻火、冷却和隔离作用的开式自动喷水灭火系统。
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County Magistrate Niu Liujin
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coup attempt by Gutierrez four brothers
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coupled chamber method reciprocity calibration
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coupled channels theory
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