题目内容
切除空载线路时产生过电压的根本原因是( )。
2026-04-19
A.断电路的电弧重燃
B.系统阻尼大
C.接地电阻较大
D.具有残留电压
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69522' and id < 4504120 and id<>'4504120' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69522' and id > 4504120 and id<>'4504120' order by id asc limit 5