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【单选题】
当异步电动机在额定转速以上变频调速时, 属于( )。A.
恒转矩调速
B.
恒功率调速
C.
恒磁通调速
D.
无法确定
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反馈参考答案：
举一反三
【单选题】-Hello, may I have an appointment with the doctor? -_____
A.
Sorry. He is busy at the moment.
B.
Why didn't you call earlier?
C.
Certainly. May I know your name?
D.
Sorry. He doesn't want to see you.
【简答题】恋爱双方在人格上都是独立的,如果把对方当作自己的附庸或依附对方而失去( ),都是对爱情实质的曲解。
【单选题】Hello, may I have an appointment with the doctor? -- .
A.
Sorry, he is busy at the moment.
B.
Sorry, he doesn’t want to see you.
C.
Certainly. May I know your name?
D.
Why didn’t you call earlier?
【简答题】ion的意思是____________.
【单选题】Hello, may I have an appointment with the headmaster?（）
A.
Sorry, I don't know you
B.
No, you can't
C.
Certainly. Wait a minute, please
D.
Let me see
【简答题】写出汽车空调面板的econ,zone,ion和dual分别是什么意思。写在这里,也写在纸上一遍,第一次作业那里。
【单选题】Hello,may I have an appointment with the doctor?
A.
_________
B.
Sorry.He is busy at the moment
C.
Why didn't you call earlier?
D.
Certainly. May I know your name?
E.
Sorry. He doesn't want to see you.
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