同步发电机采用恒励磁调节时，带感性负载时，其外特性曲线呈现（  ）趋势？（0.5）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69421' and id < 4494870 and id<>'4494870' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69421' and id > 4494870 and id<>'4494870' order by id asc limit 5