46 Just before World War I, a new agent, methyl bromide, was introduced in Europe for fire suppression purposes.
This agent was extremely effective and outperformed CO2 on both flammable liquids and, because of its poor
conductivity, fires.
(A)pool
(B)water reactive
(C)electrical
(D)reactive metal

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統計: A(0), B(0), C(1), D(0), E(0) #3478854

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