下列情况中，（   ）有利于同步发电机的稳定运行。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69469' and id < 4499009 and id<>'4499009' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69469' and id > 4499009 and id<>'4499009' order by id asc limit 5