Which characteristic of Halon is a disadvantage when it is used as a fire extinguishing medium?（）<br>A:Leaves a residue<br>B:Cost，relative to other agents<br>C:Breaks down while under prolonged storage<br>D:Conducts electricity

Which characteristic of Halon is a disadvantage when it is used as a fire extinguishing medium?（）
A:Leaves a residue
B:Cost，relative to other agents
C:Breaks down while under prolonged storage
D:Conducts electricity

出自：海船船员证

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