题目内容
网孔一定是回路,而回路未必是网孔。( )
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69473' and id < 4501272 and id<>'4501272' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69473' and id > 4501272 and id<>'4501272' order by id asc limit 5