sprinkler system
柯林斯词典
1. N a fire-extinguishing system that releases water from overhead pipes through nozzles (sprinklers) opened automatically by a rise in temperature 自动喷水灭火系统
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1. N a fire-extinguishing system that releases water from overhead pipes through nozzles (sprinklers) opened automatically by a rise in temperature 自动喷水灭火系统