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水不能扑灭哪五类火灾

更新时间: 2020-11-04 00:00:00     

水不能扑灭液体火灾、气体火灾、金属火灾、化学品火灾、带电火灾。碱金属不能用水扑救。因为水与碱金属(如金属钾、钠)作用后能使水分解而生成氢气和放出大量热,容易引起爆炸。

关键词: 扑灭 火灾

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