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【单选题】
在U/f控制方式下,当输出频率比较低时,会出现输出转矩不足的情况,要求变频器具有( )功能。A.
转差补偿
B.
转矩补偿
C.
控制
D.
频率偏置
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举一反三
【单选题】Which of the following statement is correct?
A.
Two cups of this kind of drink include 24g total fat.
B.
To prepare the drink, it will take about 40 minutes.
C.
They will meet each other after the camping.
D.
Mary doesn't like this kind of new taste drink.
【单选题】_______ orange is orange, and _______ orange is a kind of drink. [ ]
A.
An; /
B.
/; an
C.
/; /
D.
An; an
【单选题】This kind drink is offered _____.
A.
without money
B.
no charge
C.
no money
D.
free of charge
【简答题】水分在( )°C时密度最大
【单选题】Before coffee was introduced, Muslims used to drink a special kind of soup to _______ awake.
A.
appear
B.
prove
C.
stay
D.
feel
【单选题】This kind of drink is different ______.
A.
and it is also better
B.
and better than the other
C.
but also than others
D.
from the other, and better
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