两根平行导线通过同向电流时，导体之间相互（   ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69471' and id < 4499894 and id<>'4499894' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69471' and id > 4499894 and id<>'4499894' order by id asc limit 5