电压速断保护中的电压继电器应接入（   ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69392' and id < 4491860 and id<>'4491860' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69392' and id > 4491860 and id<>'4491860' order by id asc limit 5