某单位设置储压型干粉灭火系统，该系统的组件不包括（ ）。[单选]

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29215' and id < 2377490 and id<>'2377490' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29215' and id > 2377490 and id<>'2377490' order by id asc limit 5