某母线装设有完全差动保护,在外部故障时,各非故障线路的电流方向是背离母线的,故障线路的电流方向是指向母线的,其大小等于所有非故障线路电流之和。( )
发布时间:2026-01-24
A.正确
B.错误
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69493' and id < 4501617 and id<>'4501617' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69493' and id > 4501617 and id<>'4501617' order by id asc limit 5
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