完全电流差动母线保护不适用于（    ）场合。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69381' and id < 4491715 and id<>'4491715' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69381' and id > 4491715 and id<>'4491715' order by id asc limit 5