题目内容
绕线式三相感应电动机,转子串电阻起动时()。
2020-12-16
A.起动转矩增大,起动电流增大
B.起动转矩增大,起动电流减小
C.起动转矩增大,起动电流不变
D.起动转矩减小,起动电流增大
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='32657' and id < 2596588 and id<>'2596588' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32657' and id > 2596588 and id<>'2596588' order by id asc limit 5