折流板一般等间距布置，则确保折流板间距的零件是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24912' and id < 2125258 and id<>'2125258' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24912' and id > 2125258 and id<>'2125258' order by id asc limit 5