除了电容器以外，其他电气设备中采用的绝缘材料往往希望介电常数较小。(    )

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69525' and id < 4504571 and id<>'4504571' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69525' and id > 4504571 and id<>'4504571' order by id asc limit 5