单项选择题
(A)开花喷雾 (B)开花直流 (C)密集直流 (D)开花密集
(A)厂领导 (B)火场总指挥 (C)房产 (D)局领导
(A)8-10min (B)11-13min (C)14-16min (D)17-19min
(A)水源缺乏 (B)通道宽阔 (C)建筑疏松 (D)火灾危险性小
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