问题
名词解释
失磁
答案
参考答案：
同步发电机突然部分或全部失去励磁称为失磁。
搜题请搜索小程序“爱下问搜题”
失磁
参考答案：
同步发电机突然部分或全部失去励磁称为失磁。
| 情景交际。 选择方框中的句子完成对话，其中有一项多余。 | |
B: 1 , doctor. A: Do you have a cough? B: No. I don't have a cough. A: 2 B: Yes, I sleep very well. A: Do you have breakfast every morning? B: No. I don't have breakfast. A: Oh, I see. 3 .You need to eat more food and have three meals a day. 4 B: OK. I will do it. A: 5 B: Thank you very much. |