全阻抗继电器具备明确的方向性，反方向故障时不会误动。(    )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69532' and id < 4505279 and id<>'4505279' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69532' and id > 4505279 and id<>'4505279' order by id asc limit 5