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When dry chemical extinguishers are used to put out class B fires，there is a danger of reflash because dry chemical（）.

A、is not an effective agent on Class B fires

B、does little or no cooling

C、dissipates quickly

D、is rapidly absorbed by the liquid

时间：2021-07-31 01:29 关键词： 应急预案与EMS

答案解析

B