题目内容
下图所示单相桥式半波可控整流电路,电感很大,晶闸管和续流二极管的导通角分别为()。
2020-12-16
A.π-α,2α
B.π-α,αG.π,π-αD.π-α,π
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='32649' and id < 2596006 and id<>'2596006' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32649' and id > 2596006 and id<>'2596006' order by id asc limit 5