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【单选题】
异步电动机作Y一△降压启动时,每相定子绕组上的启动电随是正常工作电压的_______( )A.
√3倍
B.
√3/3倍
C.
1倍
D.
3倍
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举一反三
【单选题】The child has got a bad cold; you should call in the doctor right ______ .
A.
away
B.
from
C.
up
D.
on
【简答题】The child has got a bad cold; you should call in the doctor right .
【单选题】The child has got a bad cold; you should call in the doctor right ________.
A.
now
B.
away
C.
off
D.
on
【单选题】The child has got a bad cold; you should call in the doctor right __________ .
A.
way
B.
away
C.
just
D.
that
【单选题】The child has got a bad cold; you should call in the doctor right ( ).
A.
in
B.
away
C.
by
D.
to
【单选题】The child has got a bad cold; you should call in the doctor right_______.
A.
on
B.
from
C.
away
D.
down
【简答题】The child has got a bad cold； you should call in the doctor right________.A. away
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