回路停运状态的定义?
参考答案:
回路停运状态指回路电能传输功能全部或部分消失时称为回路停运。回路停运分为持续停运和瞬时停运两种,其中瞬时停运仅指输电回路自动重合闸重合成功。
选择和画线部分单词意义相近的选项。
1. Thank you for your message.[ ]
A. information
B. news
C. letter
2. Although I still make a lot of mistakes, it doesn't bother me like it used to.[ ]
A. Then
B. However
C. Though
3. It is very delicious.[ ]
A. well
B. better
C. tasty
4. You should always keep your hands, but not your elbows, on the table.[ ]
A. at
B. in
C. above
5. I don't find them so strange any more.[ ]
A. more
B. any longer
C. much
化油器式发动机怠速截止阀断路,发动机起动后熄火。