题目内容
最能真实反应变压器实际变比的公式是( )。
2025-02-21
A.K=P1/P2
B.K=E1/E2
C.K=U1/U2
D.K=I1/I2
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69208' and id < 4481045 and id<>'4481045' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69208' and id > 4481045 and id<>'4481045' order by id asc limit 5