()仪表可直接用于交、直流测量，且精确度高。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27214' and id < 2260445 and id<>'2260445' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27214' and id > 2260445 and id<>'2260445' order by id asc limit 5