具有制动特性的差动继电器可以在内部故障时提高保护的灵敏性。（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69378' and id < 4491527 and id<>'4491527' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69378' and id > 4491527 and id<>'4491527' order by id asc limit 5