测量100—500V的电气设备绝缘电阻，应选用电压等级为500V、量程为100MΩ及以上的绝缘电阻表。（    ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69490' and id < 4501430 and id<>'4501430' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69490' and id > 4501430 and id<>'4501430' order by id asc limit 5