无限长直角波U。入侵变压器单相绕组时，下列说法正确的有(    )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69522' and id < 4504139 and id<>'4504139' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69522' and id > 4504139 and id<>'4504139' order by id asc limit 5