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单词 fire-extinguishing
例句 DEFINITIVE EXAMPLES 权威例句〔halon〕Any of several halocarbons used as fire-extinguishing agents.用作灭火材料的几种碳卤化合物中的任意一种美国传统〔sprinkler system〕A fire-extinguishing system consisting of a network of overhead pipes that release water automatically when a predetermined temperature has been reached.喷水灭火系统:当达到预警温度时能够自动放水的管道灭火装置,通常称为喷水灭火系统美国传统
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