零序电流的分布，与系统的零序网络无关，与电源的数目有关。（   ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69392' and id < 4491953 and id<>'4491953' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69392' and id > 4491953 and id<>'4491953' order by id asc limit 5