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【多选题】
三相异步电动机的调速方式有( )。A.
变极调速
B.
变频调速
C.
变压调速
D.
变转差率调速
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反馈参考答案：
举一反三
【单选题】The regulating element which can give rapid and advanced adjustment is ____?
A.
Proportional regulating
B.
Differential regulating
C.
Integral regulating
D.
Adaptive regulating
【简答题】A．regulates B．regulate C．regulated D．regulating
【单选题】The regulating element which can give rapid and advanced adjustment is ______.
A.
proportional regulating
B.
integral regulating
C.
differential regulating
D.
adaptive regulating
【单选题】The regulating element which can give rapid and advanced adjustment is ______.
A.
proportional regulating
B.
integral regulating
C.
differential regulating
D.
adaptive regulating
【简答题】A．regulates B．regulate C．regulated D．regulating
【简答题】A) regulating B) summoning C) allocating D) transferring
【简答题】A．regulates B．regulate C．regulated D．regulating
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