名词
中文翻译：Unknown
同义词：
['dry powder extinguisher', 'dry powder firefighting apparatus']
例句：
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1.Dry powder fire-engines are used to extinguish fires in buildings.
干粉灭火器用于建筑物中的火灾扑灭。
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2.The dry powder fire-engine was deployed quickly to control the blaze.
干粉灭火器迅速部署以控制大火。
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3.Firefighters use dry powder fire-engines to tackle large-scale fires.
消防员使用干粉灭火器处理大型火灾。