等腰三角形一个底角为50°,则此等腰三角形顶角为( )。
80°
Hellen doesn’t know how much I spent in repairing the house. If she ever found out, I’m sure she me.
A.will never forgive
B.would never forgive
C.does not forgive
D.never forgives
变压器分接头一般放在变压器的()
A、低压侧
B、中压侧
C、高压侧
D、均可以