发泡倍数为150的泡沫灭火系统属于（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29272' and id < 2383463 and id<>'2383463' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29272' and id > 2383463 and id<>'2383463' order by id asc limit 5