罕见视频，美国航空波音787维修机库的防火系统昨日意外激活，高腐蚀性的泡沫灭火剂如瀑布一般从屋顶灌入机库，停在发生器正下方的一架787几乎被完全覆盖。根据NFPA-409的消防规定，机库使用的这种泡沫灭火系统需要能够在1分钟内积累0.9米深 …
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