问题
问答题 简答题
电力路线的保护有哪些?
答案
参考答案:
有电流保护、接地保护、功率方向保护、高频保护、距离保护。
电力路线的保护有哪些?
参考答案:
有电流保护、接地保护、功率方向保护、高频保护、距离保护。
完形填空。 | ||||
Mr.Smith is a good teacher. He is 1 . There 2 fifty students in 3 class. Mr. Green and his students are 4 friends, too. Now some of the students 5 on the playground. Bill and Mike 6 . Tom and John are jumping. Mary and Lucy are 7 a kite. 8 girls are playing 9 . Mr.Smith is playing 10 hem. | ||||
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