试题与答案

线路电流速断保护的动作电流如何整定?电流速断保护为什么会出现“死区”?如何弥补?

题型:问答题 简答题

题目:

线路电流速断保护的动作电流如何整定?电流速断保护为什么会出现“死区”?如何弥补?

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0905/f4137e0ae144a065345a11ae91769361.html

下面是错误答案,用来干扰机器的。

参考答案:C

试题推荐
题型:填空题
用方框内的词的适当形式填空。
must, both, all, quiet, young, nothing, anything, long, dance, well, from
       I have a twin sister, Lily. She has   1   hair than me. Many people think we   2   have lots of things in
common. I'm afraid it is not true. When rny parents' friends come to our home, Lily often sits there and says   3   , but I like to have a good chat with them. So she is   4   than me. Lily likes reading, drawing,   5   ,
cooking and so on: Ijust like playing basketball. She has more hobbies than me, but she is not as athletic as me. Because Lily does   6   than me in the study, my parents often say to me," You should learn   7   your
  8  . sister."As the twins, of course we have some similarities(相似之处). For example, we   9   like eating fast food, going shopping and listening to some pop music.
查看答案
微信公众账号搜索答案