已知则该电流的有效值。（）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32677' and id < 2599475 and id<>'2599475' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32677' and id > 2599475 and id<>'2599475' order by id asc limit 5