在大接地电流系统中，故障电流中含有零序分量的故障类型是(    )。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69497' and id < 4501945 and id<>'4501945' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69497' and id > 4501945 and id<>'4501945' order by id asc limit 5