题目内容
三相交流电源对称的条件是()。
2020-12-16
A.最大值相等
B.角频率相同
C.相位相同
D.相位角相差120°
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='32633' and id < 2594930 and id<>'2594930' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32633' and id > 2594930 and id<>'2594930' order by id asc limit 5