什么叫变压器的空载损耗?
参考答案:
变压器空载运行时,所消耗的功率称为空载损耗,空载损耗的主要部分是铁芯中的磁滞和涡流损耗。
I prefer at home rather than to the cinema.
A.to stay, to go
B.stay, go
C.to stay, go
D.stay, to go
泽泻具有的功效是:()
A.泻热
B.清肝
C.健脾
D.清肺
E.解暑