当三相负载愈接近对称时，中线电流就愈小。（   ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69036' and id < 4471247 and id<>'4471247' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69036' and id > 4471247 and id<>'4471247' order by id asc limit 5