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【简答题】
五 轴数控铣床的 两个旋转 轴指 _____ 轴和 _____ 轴。
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反馈参考答案：
举一反三
【单选题】I think this is the first time that we have met______anywhere.
A.
Before have we never seen each other
B.
Never before we have seen each other
C.
Each other have we seen never before
D.
Never before have we seen each other
【单选题】Nowhere ______ so many people planting trees.
A.
have we seen
B.
we have seen
C.
have seen we
D.
we saw
【单选题】What we have seen_____.
A.
from what we heard
B.
all what we heard
C.
to what we have heard
D.
from what we have heard
【简答题】We have never seen such gorgeous hills.
【单选题】What we have seen is different from _______.
A.
we heard
B.
we have heard
C.
what we heard
D.
what we have heard
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