以高压甚至超高压将发电厂、变电站或变电站之间连接起来的送电网络称为(  )。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69509' and id < 4503097 and id<>'4503097' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69509' and id > 4503097 and id<>'4503097' order by id asc limit 5