在圆柱表面挖切螺旋凹槽称之外螺纹或 阳螺纹 ( external thread ),相对在机件孔 面制作螺旋槽即称之内螺纹或阴螺纹(internal thread) A. 轴线(shaft line):螺纹中心线 B.
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The root of the external thread or the crest of the inner thread .
大径指过外螺纹牙顶或内螺纹牙底的圆柱面直径。
The new structure of a taper pin connection with external thread is introduced.
介绍了一种外端带有螺纹的圆锥销联接的新型结构。
According to connection method classification (1) threaded connection valves: valve with internal thread or external thread, and pipe thread connection.
按连接方法分类(1)螺纹连接阀门:阀体带有内螺纹或外螺纹,与管道螺纹连接。
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