大肠的传导变化作用是何种功能的延伸（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25605' and id < 2154591 and id<>'2154591' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25605' and id > 2154591 and id<>'2154591' order by id asc limit 5