题目内容
用万用表测量电阻时,黑表笔接表内电源的()。
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='27214' and id < 2260444 and id<>'2260444' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27214' and id > 2260444 and id<>'2260444' order by id asc limit 5