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建筑消火栓消防系统
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建筑消火栓消防系统
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hydrantfire fighting systems
建筑消火栓消防系统
把室外给水系统提供的水量,经过加压输送到用于扑灭建筑物内的火灾而设置的固定灭火设备。
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Imperial Palaces of the Ming and Qing Dynasties in Beijing and Shenyang World Culture Heritage
imperial park
imperial pathway
Imperial Pharmacy
Imperial Pictures of Tilling and Weaving
imperial portrait on fabric
Imperial Power and Gentry's Power
Imperial Preference
imperial prince
imperial prince of the first rank
imperial princess of the first degree
Imperial Printing Office Mannual for Movable Type
imperial prison
Imperial Procession Guard
Imperial Reading Room
imperial seals of the Early Qing Dynasty
Imperial Steles and Cliffside Inscription at Mulan Hunting Ground
Imperial Summer Resort
Imperial Summer Resort, Chengde
imperial thorny oyster
Imperial Timber Restore Factory
Imperial Tomb of Chu at Shizishan
Imperial Tomb of Chu at Xiaoguishan
Imperial Tombs of Chu of Han Dynasty in Xuzhou
Imperial Tombs of the Ming and Qing Dynasties World Culture Heritage
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