某隧道内设置泡沫一水喷淋系统，则在发生火灾时，泡沫混合液连续供给时间不应小于（ ）min0

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SQL Error: select id,body,options from ***_enewstiku where sourceid='23346' and id < 2038273 and id<>'2038273' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23346' and id > 2038273 and id<>'2038273' order by id asc limit 5