题目内容
.下列仪表只能用来测量直流电的是（ ）。
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69319' and id < 4487778 and id<>'4487778' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69319' and id > 4487778 and id<>'4487778' order by id asc limit 5