从技术和经济角度来看，最适合担负系统调频任务的发电厂是(  )。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69512' and id < 4503275 and id<>'4503275' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69512' and id > 4503275 and id<>'4503275' order by id asc limit 5