问题
名词解释
恒功率因数调节
答案
参考答案:
以维持发电机功率因数为设定值作为控制目标的励磁调节器控制方式。
恒功率因数调节
参考答案:
以维持发电机功率因数为设定值作为控制目标的励磁调节器控制方式。
完型填空 | ||||
I'm Dingding. I 1 from Beijing. I have(有) four 2 . They 3 _ Hellen, Sally, Michael and David. Hellen and Michael are 4 the U.S.A. They are both(两者都) thirteen 5 old. They are 6 Class One, Grade Eight. Sally 7 from England. She is thirteen, 8 . She is in 9 . David is from Canada. He and I are the same age(年龄). We are fourteen. We are in Class Two, Grade Nine. We are in 10 same school. | ||||
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