Sprinkler systems for fire protection
... 灭火器 Extinguishers 灭火洒水系统 Sprinkler systems for fire protection 灭火设备 Fire extinguishing apparatus ...
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fire extinguishing sprinkler system
灭火洒水系统 fire extinguishing sprinkler system
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短语
洒水灭火系统
sprinkler system
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WATER BLANKET SYSTEM