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drencher sprinkler system
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drencher sprinkler system
Encyclopedia
工学
消防排水系统
释
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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silver constant
Silver Dishes from Linzi
silver dishes with gilt engraved and punched pattern of the Tang Dynasty
silver fragrance purse with grape, flower and bird patterns
silver gudgeon
silver halide latex
silver halide photographic materials
silver halide photosensitive material
Silver Human Figure in Dress of the Warring States Period from Jincun
Silver indiscernible
Silver indiscernibles
silvering
Silver Ingot “Cheng An Bao Huo”
Silver-inscribed Round Credential in the Shape of a Tiger's Head of the Yuan Dynasty
silver iodide
silver jewelery
silver-leaf bryum
Silver Light
silver metallurgy
silver nitrate
silver number
silver ore resouces
Silver Plate with Sasanian King Hunting Lions
silver plating
silver pomfret
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