问题
单项选择题
Water fog from an all-purpose nozzle may be used to（）.
A.fight an electrical fire
B.fight a magnesium fire
C.eliminate smoke from a compartment
D.All of the above
答案
参考答案：C
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Water fog from an all-purpose nozzle may be used to（）.
A.fight an electrical fire
B.fight a magnesium fire
C.eliminate smoke from a compartment
D.All of the above
参考答案：C