.电气设备的额定电压就是铭牌上标出的(   )。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69521' and id < 4503981 and id<>'4503981' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69521' and id > 4503981 and id<>'4503981' order by id asc limit 5