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【多选题】
铣床工作台面的平面度精度超差时对加工的影响有( )。A.
工件平面度精度
B.
影响工件的位置精度
C.
加工工件尺寸不稳定
D.
加工工件表面粗糙度值大
E.
以工作台面定位夹紧易使工件变形
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【简答题】句型转换 1. Don't worry. I can repair it on my own. Don't worry. I can repair it 2. Mr. Wang got up early so that he might not miss the early bus. Mr. Wang got up early _____ _____ _____ _____ miss the ea...
【单选题】— I don't really like Lily. Why did you invite her? — Don't worry. She come. She said he wasn't certain what her plans were. [ ]
A.
must not
B.
need not
C.
would not
D.
might not
【单选题】—Don't go on a voyage alone. —Don't worry. .
A.
I won ' t
B.
I don ' t
C.
I can ' t
D.
I haven ' t
【单选题】—Don't step on the grass next time, Mike. —________. [ ]
A.
Is that so?
B.
Don't worry.
C.
I don't know.
D.
Sorry, I won't.
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