配电线路、设备检修，在显示屏上断路器（开关）或隔离开关（刀闸）的操作处应设置（   ）标记。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69529' and id < 4505008 and id<>'4505008' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69529' and id > 4505008 and id<>'4505008' order by id asc limit 5