隐极同步发电机静态稳定运行的极限对应的功率角为（      ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68475' and id < 4421153 and id<>'4421153' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68475' and id > 4421153 and id<>'4421153' order by id asc limit 5