题目内容

泡沫灭火系统按系统结构可分为固定泡沫灭火系统、半固定泡沫灭火系统、移动泡沫灭火系统、移动泡沬灭火系统。半固定灭火系统是指（）。

A. 采用泡沬枪、固定泡沫设置和固定消防水泵供应泡沫混合液的灭火系统
B. 泡沬产生器和部分连接管道固定，采用泡沬消防车或机动消防泵，用水带供应泡沬混合液的灭火系统
C. 泡沫产生器部分连接管道连接，固定消防水泵供应泡沬混合液的灭火系统
D. 采用泡沬枪，泡沬液由消防车供应，水由固定泊防水泵供应的灭火系统

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