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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
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参考答案：
参考解析：
刷刷题刷刷变学霸
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【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.