查找燃气用具、管道的漏气点时，通常采用（ ）方法。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24820' and id < 2121789 and id<>'2121789' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24820' and id > 2121789 and id<>'2121789' order by id asc limit 5