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单词 safety lamp
释义

safety lamp

From Longman Dictionary of Contemporary EnglishRelated topics: Industrysafety lampˈsafety lamp noun [countable]  TIa special lamp used by miners, with a flame which will not make underground gases explodeExamples from the Corpussafety lampHe used Stephenson's double gauze safety lamp up until the 1940s, and quoted to me the number of permitted gauze apertures.Wood assisted Stephenson in the development of his safety lamp, which was first tested in 1815.
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