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怎样正确使用干粉灭火器_家居日记
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怎样正确使用干粉灭火器

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怎样正确使用干粉灭火器 先将灭火器的瓶身进行颠倒，让干粉灭火器内部干粉产生松动，让粉喷出来更加均匀。然后去除黑色拉环状的保险销，将喷口对准火焰根部，此区域火燃点


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