肺吸入清气主要靠下列哪项功能（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25605' and id < 2154567 and id<>'2154567' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25605' and id > 2154567 and id<>'2154567' order by id asc limit 5