腹部手术胃管的拔管指征是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30837' and id < 2483345 and id<>'2483345' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30837' and id > 2483345 and id<>'2483345' order by id asc limit 5