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【单选题】
公差带位公差带之上时，轴与的装配关系是（）。A.
间隙配合
B.
过渡配合
C.
过盈配合
D.
以上三种配合均有可能
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反馈参考答案：
举一反三
【单选题】On what point do the conservationists and politicians agree?
A.
Wool exports are vital to the economy.
B.
The fence poses a threat to the environment.
C.
The fence acts as a useful frontier between states.
D.
The number of dogs needs to be reduced.
【单选题】Politicians need to be careful what they do or they will damage their public _______.
A.
picture
B.
illustration
C.
depiction
D.
image
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