英语词汇“foam fire-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	foam fire-extinguishing system
释义	foam fire-extinguishing system foam fire-extinguishing system A fire-extinguishing system employing a special means to discharge foam, made from concentrates, over a protected area.
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