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【单选题】

不等径丝锥攻螺纹时,一定要用最未一丝锥作最后加工,其目的是()。

A.
增加螺纹的有效螺纹长度
B.
得到正确的螺距或导程
C.
得到正确的螺纹直径
D.
得到正确的牙型角
题目标签:攻螺纹一丝螺纹
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参考答案:
举一反三

【单选题】矩形螺纹是()。

A.
标准螺纹
B.
普通螺纹
C.
非标准螺纹
D.
管螺纹

【单选题】Milosevic"s Death Former Yugoslav leader Slobodan Milosevic was found dead last Saturday in his cell at the Hague-based International Criminal Tribunal for the former Yugoslavia. The 64-year-old had ...

A.
To handle economic issues.
B.
To drive the Albanians back to their own country.
C.
To remove the Serbians" fears of being discriminated against.
D.
To launch an attack against his political enemies.

【单选题】根据螺纹标记Rc 3/4,该螺纹是

A.
普通螺纹
B.
梯形螺纹
C.
锯齿形螺纹
D.
方牙螺纹
E.
用螺纹密封的管螺纹
F.
非螺纹密封的管螺纹
相关题目:
【单选题】矩形螺纹是()。
A.
标准螺纹
B.
普通螺纹
C.
非标准螺纹
D.
管螺纹
【单选题】Milosevic"s Death Former Yugoslav leader Slobodan Milosevic was found dead last Saturday in his cell at the Hague-based International Criminal Tribunal for the former Yugoslavia. The 64-year-old had ...
A.
To handle economic issues.
B.
To drive the Albanians back to their own country.
C.
To remove the Serbians" fears of being discriminated against.
D.
To launch an attack against his political enemies.
【单选题】根据螺纹标记Rc 3/4,该螺纹是
A.
普通螺纹
B.
梯形螺纹
C.
锯齿形螺纹
D.
方牙螺纹
E.
用螺纹密封的管螺纹
F.
非螺纹密封的管螺纹
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