具有反时限安秒特性的元件就具备短路保护和（）保护能力。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27224' and id < 2260091 and id<>'2260091' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27224' and id > 2260091 and id<>'2260091' order by id asc limit 5