下列关于变电站进线段保护作用的叙述，最为准确的是(    )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69526' and id < 4504659 and id<>'4504659' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69526' and id > 4504659 and id<>'4504659' order by id asc limit 5