测量电流时应把电流表串联在被测电路中。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27215' and id < 2260426 and id<>'2260426' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27215' and id > 2260426 and id<>'2260426' order by id asc limit 5