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='69517' and id < 4503643 and id<>'4503643' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69517' and id > 4503643 and id<>'4503643' order by id asc limit 5