英语词汇“halon extinguishing system”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	halon extinguishing system
释义	halon extinguishing system halon extinguishing system A fire protection system employing halon gas as the means of extinguishing a fire used in areas of high monetary value, but now of limited application because of environmental concerns about the use of this gas.
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