变送器的输入和输出之间保持（ ）关系。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29467' and id < 2398982 and id<>'2398982' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29467' and id > 2398982 and id<>'2398982' order by id asc limit 5