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单词 CLASS-D FIRE
释义

NFPA classification for fire due to or engulfing metals that burn, such as lithium, magnesium, potassium, sodium, titanium, and zirconium. These can be extinguished by eliminating air supply and smothering the fire. Water cannot be used because it may react with these metals or their compounds.

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更新时间:2025/5/25 7:30:50