断路器在操作时应满足“先通后断”原则。( )（0.6）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69414' and id < 4494370 and id<>'4494370' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69414' and id > 4494370 and id<>'4494370' order by id asc limit 5