对于输电线路送电时，断路器.线路隔离开关.母线隔断开关操作正确的是 (    )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69524' and id < 4504282 and id<>'4504282' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69524' and id > 4504282 and id<>'4504282' order by id asc limit 5